School of Medicine


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  • Michael S Binkley, MD, MS

    Michael S Binkley, MD, MS

    Assistant Professor of Radiation Oncology (Radiation Therapy)

    BioDr. Binkley is a radiation oncologist specializing in lymphoma treatment and an assistant professor in the Stanford University School of Medicine Department of Radiation Oncology.

    His clinical expertise includes stereotactic ablative radiotherapy (SABR), total lymphoid and total body irradiation, and intensity modulated radiation therapy (IMRT).

    For each patient, Dr. Binkley develops a personalized, comprehensive, and compassionate care plan. His goals are to improve both health and quality of life.

    Dr. Binkley has conducted extensive research to advance cancer treatment. In his post-doctoral fellowship at Stanford, he studied the use of genomic signatures to predict response to radiotherapy. His current clinical and laboratory research seek to identify prognostic and predictive clinical, radiographic, and genomic factors to inform individualized treatment strategies.

    He has co-authored articles on his research discoveries published in Cancer Discovery, Blood, the International Journal of Radiation Oncology*Biology*Physics, and elsewhere. Topics have included innovations in the treatment of lymphoma and lung cancer.

    He also has made invited presentations to colleagues at national and international conferences. He has presented the latest findings on radiation therapy for lung cancer and lymphoma at meetings of the American Society of Clinical Oncology (ASCO), American Society for Radiation Oncology (ASTRO), and International Conference on Malignant Lymphoma (ICML).

    Honors for Dr. Binkley include the Malcolm A. Bagshaw Award for leadership and outstanding scientific achievement. This award is named for a pioneer in radiation therapy and former chair of the Departments of Radiology and Radiation Oncology at Stanford University School of Medicine.

    Dr. Binkley is a member of the American Society of Clinical Oncology, American Society for Radiation Oncology, and American Association for Cancer Research. He is a founding member of the Global nLPHL One Working (GLOW) Working Group, an international collaboration studying nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) in children and adults.

  • Mark Buyyounouski, MD, MS, FASTRO

    Mark Buyyounouski, MD, MS, FASTRO

    Professor of Radiation Oncology (Radiation Therapy)

    Current Research and Scholarly InterestsPatient-centered and artificial intelligence-augmented medical decision making

  • Rishabh Chaudhari, MD

    Rishabh Chaudhari, MD

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioDr. Chaudhari is a radiation oncologist with the Stanford Medicine Cancer Center and a clinical assistant professor in the Department of Radiation Oncology at Stanford University School of Medicine.

    He specializes in delivering image-guided interventions for all forms of cancer, including lung, breast, prostate, and head and neck. He treats conditions including mesothelioma, seminoma, renal cell carcinoma, and vulvar cancer.

    In every case, he develops a comprehensive, compassionate care plan personalized to the unique needs of each patient. His goal is always to deliver innovative, compassionate care of the highest quality to help each patient achieve the best possible outcome.

    Dr. Chaudhari conducts research into leading-edge treatments, allowing him to offer the most advanced care options. He has investigated stereotactic body radiation therapy for non-small cell lung cancer and for pancreatic adenocarcinoma. He has also studied the effects of radiotherapy on breast cancer stem cells and extramedullary plasmacytomas. He also is currently studying the use of proton beam therapy on recurrent head and neck cancers.

    Dr. Chaudhari has presented his research findings at meetings of the Radiation Research Society, Society for Thermal Medicine, American Society for Radiation Oncology, and World Congress of Brachytherapy. He has published articles on radiotherapy for non-small cell lung cancer in the journal Lung Cancer: Targets and Therapy. He also co-authored the chapter “Renal and Adrenal Vasculature: Anatomy and Imaging” in the textbook Image-Guided Interventions. He is a reviewer for Cancer Medicine.

    In previous positions, Dr. Chaudhari served on committees dedicated to care quality assurance and to the monitoring of cancer care protocols. Other areas of interest include radiation oncology department operations and advising radiation oncology residents.

    Dr. Chaudhari is a member of the American Society for Radiation Oncology.

  • Alexander Chin, MD, MBA

    Alexander Chin, MD, MBA

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioAlexander Chin, MD, MBA, is a radiation oncologist with Stanford Medicine Cancer Center and a clinical assistant professor in the Department of Radiation Oncology with the Stanford School of Medicine. He also serves as Director of Market Development for Stanford Health Care, acting as a liaison between faculty leadership and hospital administration, to advance Stanford Medicine’s mission of providing compassionate leading-edge care to the communities that we serve.

    Dr. Chin is committed to ensuring the delivery of care of the highest quality and value. He provides clinical expertise in diagnosing and treating the full range of cancers, including those of the lung, breast, and central nervous system. In addition, he serves on national leadership teams formed to advance the practice of cancer care. Dr. Chin is currently a member of the Payment Reform Task Force for the American Society of Clinical Oncology and has previously served on their Clinical Practice Committee and as a health policy fellow. He was one of just two oncologists in the US selected to participate in a year-long program on policy leadership.

    He currently serves on the Stanford Cancer Network Quality Committee. This team develops and implements our care delivery standards, strategies, and metrics to ensure consistently excellent cancer care from all Stanford Health Care providers in all locations.

    Dr. Chin has conducted extensive research and published his findings in numerous peer-reviewed journals. Topics range from novel oncology payment models to the use of new imaging parameters in lung cancer. His scholarship appears in Cancer, JCO Oncology Practice, Clinical Lung Cancer, International Journal of Radiation Oncology, Biology, Physics, and elsewhere.

    He has made presentations on stereotactic body radiotherapy (SBRT) and other treatment advances at meetings of the Radiological Society of North America and American Society for Radiation Oncology. He also has addressed these topics as an invited lecturer in training sessions for oncology residents.

    He has won numerous awards, including recognition for his research from the Radiological Society of North America. He also has earned honors from the American Society of Clinical Oncology and from his alma maters: the Perelman School of Medicine at the University of Pennsylvania as well as Wharton and Yale.

    Dr. Chin earned a Bachelor of Science degree in molecular biophysics and biochemistry from Yale University. He earned his medical degree from Perelman School of Medicine at the University of Pennsylvania, and his MBA at the Wharton School. He completed his residency in Radiation Oncology at Stanford Health Care.

    He is a member of the Radiological Society of North America, American Society for Radiation Oncology, and American Society for Clinical Oncology.

  • Maximilian Diehn, MD, PhD

    Maximilian Diehn, MD, PhD

    Jack, Lulu, and Sam Willson Professor and Professor of Radiation Oncology (Radiation Therapy)
    On Leave from 11/27/2023 To 08/30/2024

    Current Research and Scholarly InterestsMy laboratory focuses on two main areas: 1) cancer stem cell biology and 2) novel biomarkers for identifying the presence of malignant cells (diagnostic), predicting outcome (prognostic), and predicting response to therapy (predictive). Areas of study include cancers of the lung, breast, and gastrointestinal system. Clinically I specialize in the treatment of lung cancer and applications of stereotactic ablative radiotherapy and perform both prospective and retrospective clinical studies.

  • Sarah S. Donaldson, MD

    Sarah S. Donaldson, MD

    Catharine and Howard Avery Professor in the School of Medicine, Emerita

    Current Research and Scholarly InterestsCombined Modality Treatment of Cancer
    Late Effects of Treatment
    Genetic Effects of Cancer
    Rhabdomyosarcoma
    Hodgkins Disease
    Pediatric Radiation Oncolgy
    Pediatric Oncolgy
    Breast Cancer
    Conformal Radiotherapy/IMRT
    Radiotherapy for Benign Diseases

  • Michael Gensheimer

    Michael Gensheimer

    Clinical Associate Professor, Radiation Oncology - Radiation Therapy

    Current Research and Scholarly InterestsIn addition to my clinical research in head and neck and lung cancer, I work on the application of computer science and machine learning to cancer research. I develop tools for analyzing large datasets to improve outcomes and safety of cancer treatment. I developed a machine learning prognostic model using data from around 13,000 patients with metastatic cancer which performs better than traditional models and physicians [PubMed ID 33313792]. We recently completed a prospective randomized study in thousands of patients in which the model was used to help improve advance care planning conversations.

    I also work on the methods underpinning observational and predictive modeling research. My open source nnet-survival software that allows use of neural networks for survival modeling has been used by researchers internationally. In collaboration with the Stanford Research Informatics Center, I examined how electronic medical record (EMR) survival outcome data compares to gold-standard data from a cancer registry [PubMed ID 35802836]. The EMR data captured less than 50% of deaths, a finding that affects many studies being published that use EMR outcomes data.

  • Alireza Ghiam, MD, MS

    Alireza Ghiam, MD, MS

    Clinical Associate Professor, Radiation Oncology - Radiation Therapy

    BioDr. Ghiam is an American and Canadian Board-Certified Radiation Oncologist with the Stanford Medicine Cancer Center and a Clinical Associate Professor in the Department of Radiation Oncology at Stanford University School of Medicine. After completing an MSc in Molecular Biology & Genetics at the University of Montreal, he completed a residency in Radiation Oncology and fellowship in Head & Neck and GU radiation oncology at the University of Toronto.

    He diagnoses and treats various conditions specializing in head & neck cancer, genitourinary malignancies, and metastatic disease. His treatment expertise includes oligometastatic disease, palliative radiation therapy, stereotactic ablative radiotherapy, and proton therapy.

    Dr. Ghiam has contributed to the field through his authorship of technology- and biology-based publications and collaboration in clinical trials. He has been recognized by awards from the American Society for Radiation Oncology (ASTRO), the Canadian Association of Radiation Oncology (CARO), and the Universities of Toronto and Pennsylvania. In recognition of his educational work, he received two prestigious teaching awards for teaching residents and medical students. He has presented his research work nationally and internationally and authored and co-authored several papers.

    Dr. Ghiam's interest lies in exploring novel AI-powered technologies that can enhance patient outcomes, and bridge health equity gaps in radiation oncology. He is also interested in clinical trials of innovative radiation therapy techniques with a focus on leveraging technology and biology to reduce toxicity and increase precision.

    Dr. Ghiam is dedicated to academia, education, and diversity. He is committed to improving patient outcomes and changing the role of supportive care in radiation oncology by promoting quality standards and utilizing palliative radiotherapy to enhance the quality of life for his patients.

    Dr. Ghiam practices evidence-based care with compassion and treats his patients as he would his own family.

  • Iris C. Gibbs, MD, FACR, FASTRO

    Iris C. Gibbs, MD, FACR, FASTRO

    Professor of Radiation Oncology (Radiation Therapy) and, by courtesy, of Neurosurgery

    Current Research and Scholarly InterestsDr. Gibbs is a board-certified radiation oncologist who specializes in the treatment of CNS tumors. Her research focuses on developing new radiation techniques to manage brain and spinal tumors in adults and children. Dr. Gibbs has gained worldwide acclaim for her expertise in Cyberknife robotic radiosurgery.

  • Richard Hoppe

    Richard Hoppe

    Henry S. Kaplan-Harry Lebeson Professor of Cancer Biology

    Current Research and Scholarly InterestsIrradiation immunosuppression; total body irradiation;, psychosocial effects of cancer treatment; treatment of lymphoma;, mycosis fungoides.

  • Anusha Kalbasi, M.D.

    Anusha Kalbasi, M.D.

    Associate Professor of Radiation Oncology (Radiation Therapy)

    BioDr. Kalbasi is a board-certified radiation oncologist and physician-scientist at the Stanford Cancer Institute. He is also an associate professor of radiation oncology at Stanford Medicine and a project member of the Parker Institute for Cancer Immunotherapy.

    In the clinic, Dr. Kalbasi specializes in the diagnosis and treatment of solid tumors, especially sarcoma and melanoma, with a focus on bringing new treatments to patients. This focus includes using advanced techniques in radiation oncology and cancer immunotherapy.

    Dr. Kalbasi's NIH-funded laboratory studies the cancer-immune interface in various therapeutic contexts, including T cell therapy, cytokine therapy and innate immune agonism. The lab has described tumor cell-, T cell- and myeloid cell-intrinsic mechanisms of resistance to therapy and approaches to overcome therapy resistance. Dr. Kalbasi is also an experienced leader of clinical trials related to immunotherapy, T cell therapy and radiation therapy.

    Prior to his arrival at Stanford Health Care, Dr. Kalbasi was assistant professor of radiation oncology in the David Geffen School of Medicine at UCLA and chief of sarcoma radiotherapy at the UCLA Jonsson Comprehensive Cancer Center. During his tenure, he was named a NextGen Star by the American Association of Cancer Research in recognition for excellence in cancer research.

    Dr. Kalbasi’s work has been published in leading journals including Nature, Science Translational Medicine, JAMA Oncology, Lancet Oncology, Nature Cancer and Cancer Discovery. He has served as a peer reviewer for multiple prestigious journals, including the Proceedings of the National Academy of Sciences, Cell and the Journal of Clinical Investigation. He has also presented research to his peers at the American Association for Cancer Research and the American Institute of Chemical Engineers.

  • Daniel Kapp

    Daniel Kapp

    Professor of Radiation Oncology, Emeritus

    Current Research and Scholarly InterestsGynecologic malignancies; Rectal/and cancer; Breast Cancer; Hodgkin's disease; Hyperthermia; intraoperative radiation therapy; High dose rate radiation therapy; Predictive assays; Patterns of tumor spread; Health care finance.

  • Susan Knox

    Susan Knox

    Associate Professor of Radiation Oncology, Emerita

    Current Research and Scholarly InterestsOur interests include 1) study of the effect of radiation on regulatory cell subpopulations and co-stimulatory molecules, 2) use of radiation as an immune modulator for optimization of transplant regimens, 3) the role of radiation in tumor vaccine strategies, 4) study of new radiosensitizers and radioprotectors, and 5) discovery of new targeted therapies for the treatment of solid tumors.

  • Quynh-Thu Le, MD

    Quynh-Thu Le, MD

    Katharine Dexter McCormick and Stanley McCormick Memorial Professor and Professor, by courtesy, of Otolaryngology - Head & Neck Surgery (OHNS)

    Current Research and Scholarly InterestsMy laboratory research interest focuses on the identification of biomarkers for prognosis in patients with head & neck or lung cancers. I am also conducting a number of clinical trials specifically in patients with head & neck cancers.

  • Michael Lim, M.D.

    Michael Lim, M.D.

    Professor of Neurosurgery and, by courtesy, of Radiation Oncology (Radiation Therapy), of Medicine (Oncology), of Otolaryngology - Head & Neck Surgery (OHNS) and of Neurology

    BioDr. Lim is the Chair of the Department of Neurosurgery and a board-certified neurosurgeon specializing in brain tumors and trigeminal neuralgia.

    Dr. Lim’s clinical interests include the treatment of benign and malignant brain tumors, with special interest in gliomas, meningiomas, metastatic tumors, and skull base tumors. Dr. Lim also specializes in surgical treatments for trigeminal neuralgia. During his time at Johns Hopkins, Dr. Lim built one of the largest brain tumor and trigeminal neuralgia practices and utilized the most advanced surgical technologies and techniques for his patients. As a passionate voice for patient experience, he has been recognized by his peers and patients for his integrity and compassionate care, including a Service Excellence Award from HealthNetwork Foundation.

    As a mentor, he has garnered numerous teaching awards, including being honored as an outstanding teacher by Johns Hopkins University School of Medicine. He is actively involved in shaping education for neurosurgery and oncology across the United States and around the world. He is the recipient of the prestigious 2023 Abhijit Guha Award in Neuro-Oncology.

    Dr. Lim’s research interests focus on harnessing the immune system to fight cancer. His laboratory focuses on understanding mechanisms of immune evasion by cancer cells. He has successfully translated his findings from the laboratory to the clinics and has conducted and led several large national immunotherapy clinical trials for brain tumors.

    Dr. Lim’s bibliography contains well over 300 articles on topics such as immunotherapy for glioblastoma, long-term survival of glioma patients treated with stereotactic radiation, and treatment of neuropathic pain. His work has appeared in Science Translational Medicine, Clinical Cancer Research, Lancet Oncology, Nature Immunology, and many more publications. He also has written 20 book chapters and monographs.

    Dr. Lim is a world leader in immunotherapy for brain tumors. In addition to being invited world-wide to give lectures and seminars, he has given platform presentations on the topics of immunotherapy for brain tumors, neurosurgical techniques and management of brain tumors at the American Society of Clinical Oncologists, American Academy of Neurological Surgeons, Radiological Society of North America, Annual Symposium on Brain and Spine Metastases, Congress of Neurological Surgeons, and other meetings. In addition, he has served as platform chairman of the CNS session at the American Society for Clinical Oncology conference.

    Dr. Lim is a member of the American Society for Clinical Oncology, Congress of Neurological Surgeons, American Association of Neurological Surgeons, and Society for Neuro-Oncology. Dr. Lim served as the program co-chair of the Society for Neuro-Oncology and CNS section of the American Society for Clinical Oncology. He also served on many executive committees, including the Executive Committee for the Joint Tumor Section of the American Association of Neurological Surgeons and Congress of Neurological Surgeons.

  • Billy W Loo, Jr, MD PhD FASTRO FACR

    Billy W Loo, Jr, MD PhD FASTRO FACR

    Professor of Radiation Oncology (Radiation Therapy)

    Current Research and Scholarly InterestsMy clinical specialty is radiation treatment of thoracic cancers.

    My research is on developing next-generation ultra-rapid radiation therapy technology (PHASER) and studying the radiobiological effects of FLASH treatment.

    My clinical research is on advanced 4-D image-guided radiation therapy and stereotactic ablative radiotherapy (SABR), and functional and metabolic imaging and imaging biomarkers.

  • Vivek Maradia

    Vivek Maradia

    Postdoctoral Scholar, Radiation Therapy

    Current Research and Scholarly InterestsI research ultra-high dose rate delivery using proton, x-ray, and electron beams for FLASH preclinical studies, aiming to understand efficacy and safety mechanisms. My work aims to transform cancer therapy and enhance patient outcomes. Leveraging insights from PSI's PROScan facility, I design a compact cyclotron-based proton therapy infrastructure for various radiation therapy setups.

  • Carol Marquez, MD

    Carol Marquez, MD

    Clinical Professor, Radiation Oncology - Radiation Therapy

    BioDr. Marquez is a radiation oncologist and the medical director of the Stanford Cancer Center in South Bay. She has board certification in therapeutic radiology and completed fellowship training in the use of radioimmunotherapy and radiosensitizers.

    Dr. Marquez educates future specialists in her position as a clinical professor in the Department of Radiation Oncology at Stanford University School of Medicine.

    In her clinical practice, she specializes in breast cancer, but treats a broad spectrum of cancers including prostate, lung, colon, lymphoma, and brain tumors. For each patient, she develops a comprehensive, compassionate care plan customized to individual needs. Her goal is to deliver the most effective cancer treatment to help patients enjoy the best possible health and quality of life.

    Dr. Marquez has conducted research and published numerous articles in peer-reviewed journals: Clinical Cancer Research, Annals of Surgical Oncology, the Journal of Women’s Health, and others. Topics include innovations in surgical decision-making, advanced treatment of prostate cancer, and the effectiveness of stereotactic body radiation therapy (SBRT) in treating larger brain tumors.

    She also wrote the chapter on pediatric radiation therapy for the Textbook of Clinical Pediatrics.

    She has made presentations to her peers at the annual meeting of the American Society for Therapeutic Radiology (ASTRO) and at the annual Radiation Oncology Conference. Topics include radiation therapy after a mastectomy and advanced management of cancer of the central nervous system

    She received a grant to examine the recruitment and retention of minority patients in cancer research. The National Cancer Institute sponsored the study.

    Dr. Marquez is a member of the American Society for Therapeutic Radiology, American College of Radiology (ACR), and Society for Neurologic Oncology (SNO). She is a Fellow of the American College of Radiology (FACR).

    She participates on multiple committees in the Stanford School of Medicine Clinical Educator Program. She also serves as a radiation oncology expert on the Global Online Breast Tumor Board. This board is sponsored by Massachusetts General Hospital and meets monthly to provide real-time expert opinions for breast cancer cases from cancer centers across the world, including Brazil, Poland, and the Philippines.

  • Andrew Philip Martella

    Andrew Philip Martella

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioDr. Martella is a fellowship-trained radiation oncologist and a clinical assistant professor of radiation oncology at Stanford University School of Medicine.

    His clinical interests include gynecologic, breast, thoracic, gastrointestinal, genitourinary, and central nervous system cancers. His experience encompasses the full range of radiotherapy techniques, including intensity modulated radiation therapy (IMRT), volumetric modulated arc therapy (VMAT), stereotactic body radiotherapy (SBRT), CyberKnife radiosurgery, eye plaque brachytherapy, and prostate and gynecologic high dose rate (HDR) brachytherapy.

    Dr. Martella is dedicated to improving the quality of care and the patient experience. He deeply values a close relationship with his patients and their loved ones. He feels that each patient experiences healthcare in a unique and individual way. By recognizing and responding to those individual needs Dr. Martella provides a truly patient-centered experience. He has helped conduct research into noninvasive deep brain stimulation and chromosomal topography,and published on the topic of treating rectal cancer without radiation. He also was the primary contributing author of chapters in the book First Aid for the United States Medical Licensing Examination.

    Dr. Martella has delivered presentations at the Annual Meeting of the American Society for Therapeutic Radiology and Oncology. Topics include chemotherapy and radiotherapy in endometrial cancer.

    Among the honors for scholarship that Dr. Martella has received, he graduated first in his class at Duke University School of Medicine. He was also elected during medical school into Alpha Omega Alpha Honor Medical Society.

    Dr. Martella’s community service has included a position on the board of directors of Camp Good Days and Special Times, a nonprofit organization that provides services for children who have cancer, have a parent or sibling with cancer, or have lost a parent or sibling to the disease. He has served on several leadership roles and has a deep dedication to furthering diversity and inclusion throughout the healthcare system.

  • Stavros Melemenidis

    Stavros Melemenidis

    Director of Pre-clinical Radiotherapy, Radiation Oncology - Radiation Therapy

    Current Role at StanfordI am currently responsible for the design and delivery of the pre-clinical in-vivo irradiations with ultra-high dose-rate (FLASH), using a clinical Linac at the Cancer Center. I deliver irradiation for collaborators but also managing animal experiments for our group; from the development of tumors models and handling of the animals to the design of 3D printed shields for radiation and radiotherapy dosimetry.

  • Lynn Million

    Lynn Million

    Clinical Professor, Radiation Oncology - Radiation Therapy

    BioLynn Million specializes in the treatment of cancer. She has practiced Radiation Oncology for more than 30 years. Dr. Million has a special interest in the treatment of sarcoma’s of soft tissue, bone and cartilage in children, young adolescents and adults.

  • Everett J. Moding, MD, PhD

    Everett J. Moding, MD, PhD

    Assistant Professor of Radiation Oncology (Radiation Therapy)

    Current Research and Scholarly InterestsMy laboratory performs translational research using analysis of human samples to identify critical mediators of treatment resistance that can be validated in preclinical models and targeted to enhance the efficacy of cancer therapy.

  • Prithvi Mruthyunjaya, MD, MHS

    Prithvi Mruthyunjaya, MD, MHS

    Professor of Ophthalmology and, by courtesy, of Radiation Oncology

    Current Research and Scholarly InterestsDr Mruthyunjaya has maintained a broad research interest with publications in both ocular oncology and retinal diseases.
    His focus is on multi-modal imaging of ocular tumors and understanding imaging clues that may predict vision loss after ocular radiation therapy. He coordinates multi-center research on the role of genetic testing and outcomes of treatments of ocular melanoma.
    In the field of retinal diseases, his interests are in intra-operative imaging to enhance surgical accuracy.

  • Yushen Qian, MD

    Yushen Qian, MD

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioDr. Qian is a board-certified radiation oncologist and a clinical assistant professor in the Stanford University School of Medicine, Department of Radiation Oncology.

    In his clinical practice, he specializes in urologic, head and neck, and thoracic cancers, but treats a broad spectrum of cancers including lymphoma, gastrointestinal, and brain tumors. For each patient, he develops a comprehensive, compassionate care plan customized to individual needs. His goal is to deliver the most effective cancer treatment to help patients enjoy the best possible health and quality of life.

    In addition to his clinical practice, Dr. Qian has conducted extensive research that is often focused on the impact of radiation therapy on patient outcomes and health care system costs.

    He has presented the findings at annual meetings of the American Radium Society, American Society for Radiation Oncology, American Society of Clinical Oncology Cancer Survivorship Symposium, Palliative Care in Oncology Symposium, and elsewhere.

    Dr. Qian has published articles in journals such as Clinical Cancer Research, the Journal of Clinical Oncology, Practical Radiation Oncology, the International Journal of Radiation Oncology • Biology • Physics (IJROBP), and more.

    Dr. Qian co-authored the chapter on radiation therapy for liver tumors in the book Radiation Therapy for Hepatocellular Carcinoma: Clinical Data. He also co-authored the chapter on liver care for the book Stereotactic Radiosurgery and Stereotactic Body Radiation Therapy.

    He has earned numerous honors, including the Malcolm A. Bagshaw Award for leadership and outstanding scientific achievement.

  • Elham Rahimy, MD

    Elham Rahimy, MD

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioDr. Rahimy is a radiation oncologist who treats patients with brain, spine, and gastrointestinal tumors. She received her medical training at Yale, followed by a residency in radiation oncology at Stanford. She is a clinical assistant professor with the Stanford School of Medicine Department of Radiation Oncology.

    Dr. Rahimy specializes in treating several types of cancer, including brain tumors, such as glioma and glioblastoma, spine tumors, metastatic disease, and gastrointestinal cancer, such as rectal cancer and pancreatic cancer. She is credentialed for CyberKnife Radiosurgery. She is also actively involved in radiation oncology research and clinical trials. Her interests include improving patient and resident education and enhancing patient quality of life and survivorship. Dr. Rahimy’s research has been published in a variety of journals. She is also the current radiation oncology medical student clerkship director.

  • Scott G. Soltys, MD

    Scott G. Soltys, MD

    Professor of Radiation Oncology (Radiation Therapy) and, by courtesy, of Neurosurgery

    Current Research and Scholarly InterestsMy clinical and research interests focus on the development of new radiation techniques involving stereotactic radiosurgery and radiotherapy for the treatment of malignant and benign tumors of the brain and spine, as well as functional disorders such as trigeminal neuralgia.

  • Kekoa Taparra, MD, PhD

    Kekoa Taparra, MD, PhD

    Postdoctoral Medical Fellow, Radiation Therapy
    Resident in Radiation Oncology - Radiation Therapy

    BioAloha, my name is Kekoa and I am an Indigenous Native Hawaiian born and raised in Mililani, Oʻahu, Hawaiʻi. My life's mission is to return home to the islands and provide high-quality cancer care to the communities that raised me. I earned my PhD from Johns Hopkins School of Medicine (Cellular and Molecular Medicine) and my MD from Mayo Clinic Alix School of Medicine (Science of Healthcare Delivery Certification), experiences that have prepared me for my current role as a resident physician and postdoctoral medical fellow in the Department of Radiation Oncology at Stanford Health Care. I am a Masters of Public Health Merit Award scholar at Hawaiʻi Pacific University. I'm proud to be a member of the inaugural cohort of the President Barack Obama Foundation Leaders USA program. I also run a lab with over 20 talented Native Hawaiian and other Pacific Islander (NHPI) and NHPI-ally scholars across the nation, focusing on unmasking NHPI health disparities that have been overlooked for decades.

    My lab specifically focuses on Pacific Islander health disparities, overcoming Indigenous Erasure, resolving structural racism in NHPI data, and sustainable climate-resilient healthcare systems. We use perspectives from the lived experiences of our communities to help guide the most pertinent research questions. For my research, I have been awarded the inaugural 2023 ASCO Dr. Judith and Alan Kaur Endowed Young Investigator Award along with awards from ASH, ASTRO, NMF, and AACR. My work has been published in The Lancet, NEJM, JAMA, JAMA Oncology, JAMA Internal Medicine, JAMA Health Forum, JNCI, and JCO Oncology Practice, among others. I was selected as a 2022-2023 American Society of Clinical Oncology Journals Editorial Fellow and a 2023-2024 Stanford Cancer Institute Fellow.

    As an advocate for Pacific Islander health equity, I strive to engage with community partners, federal agencies, and academic research institutions to educate others on the unique health concerns of our population. I've been invited to speak on NHPI health at institutions such as Harvard, MDACC Grand Rounds, UCLA, UCSF, NIH/NCI, FDA, and Papa Ola Lōkahi, among others. I warmly welcome interdisciplinary collaborations that aim to improve the health of our underserved Pacific Islander communities.

  • Nicholas Trakul, MD, PhD

    Nicholas Trakul, MD, PhD

    Clinical Associate Professor, Radiation Oncology - Radiation Therapy

    BioDr. Nicholas Trakul is a radiation oncologist with Stanford Medicine Cancer Center and clinical associate professor of Radiation Oncology-Radiation Therapy with Stanford School of Medicine. Dr. Trakul serves as Medical Director for Stanford Medicine Radiation Oncology in Pleasanton and for the Stanford Medicine I Sutter Health Cancer Collaborative in Castro Valley.

    Dr. Trakul completed residency training at Stanford in 2013 and then joined the faculty at the University of Southern California, where he specialized in head and neck and central nervous system malignancies, with an emphasis on stereotactic radiosurgery (SRS) and stereotactic ablative radiotherapy (SABR/SBRT). He is widely published as first author in peer-reviewed journals. His research focus involves the creation of novel clinical databases as well as outcomes in the treatment of head and neck, gastrointestinal and thoracic malignancies. In 2017, Dr. Trakul returned to Stanford Medicine, becoming the Medical Director of Stanford Medicine Radiation Oncology in Pleasanton. In 2020, he was named Medical Director of Stanford Radiation Oncology Network Sites. In February 2022, Dr. Trakul assumed the medical directorship of Eden Radiation Oncology Center, the first site to become operation under the Stanford/Sutter Cancer Collaborative. He is focused on providing access to high quality radiation therapy, collaboration with community health care systems and creating/maintaining productive and high engagement workplace culture. He believes in providing personalized, high-quality care, and bringing new technology to the East Bay, allowing patients to access cancer care while staying connected to their communities and support networks.

  • Lucas Kas Vitzthum, MD

    Lucas Kas Vitzthum, MD

    Clinical Associate Professor, Radiation Oncology - Radiation Therapy

    BioDr. Vitzthum is a radiation oncologist and clinical associate professor of radiation oncology at Stanford University School of Medicine. He specializes in the treatment of gastrointestinal and thoracic cancers. He also has a clinical and research interest in oligometastatic cancer, which is cancer that has metastasized to a limited number of sites beyond its origin.

    He began his career in biomedical engineering and is passionate about integrating new technologies to advance patient care.

    Dr. Vitzthum delivers treatment personalized to each patient’s condition, overall health, and goals. He believes clear communication between doctor and patient is vital to help patients make informed care decisions.

    His research interests include clinical trial development, survivorship, and predictive modeling to personalize patient treatment. He is especially interested in pursuing research that can address unmet clinical needs.

    Dr. Vitzthum has received research support through the Radiological Society of North America, the American Society of Clinical Oncology’s Conquer Cancer Foundation, and the UCSD Altman Clinical and Translational Research Institute. His work has appeared in International Journal of Radiation Oncology Biology Physics, Annals of Oncology, JAMA Oncology, Clinical Cancer Research, and other publications.

    He is a member of the American College of Radiation Oncology, American Society for Radiation Oncology, American Society of Clinical Oncology, and Radiologic Society of North America.

    Dr. Vitzthum is also interested in improving access to high-quality cancer care for under-served populations domestically and abroad.

  • Indu Voruganti Maddali MD, MS, FRCPC

    Indu Voruganti Maddali MD, MS, FRCPC

    Postdoctoral Medical Fellow, Radiation Therapy
    Fellow in Radiation Oncology - Radiation Therapy

    Current Research and Scholarly InterestsCNS and Lung Malignancies
    Oligometastatic disease
    Medical Education

  • Ziwei Wang

    Ziwei Wang

    Postdoctoral Scholar, Radiation Therapy

    Current Research and Scholarly InterestsMy current work focuses on establishing preclinical platforms to rapidly validate the functional impact of genetic alterations in tumors using both cell and genetically engineered mouse models. We hope this system can accelerate the discovery and translation of novel cancer therapies to patients.

  • Zachary Bruce White II

    Zachary Bruce White II

    Affiliate, Dean's Office Operations - Dean Other
    Resident in Radiation Oncology - Radiation Therapy

    BioI’m originally from Birmingham, AL. I completed my undergraduate education at Tuskegee University and majored in Biology/Pre-Health and minored in Bioethics. I also received a Master of Science in Biomedical & Health Sciences from the University of Alabama at Birmingham and completed medical school at the University of South Alabama College of Medicine. Following graduation from medical school, my intern year was spent in my hometown at Brookwood Baptist Health Transitional Year Program. One of my favorite aspects of radiation oncology at Stanford is the opportunity to give compassionate medical care to our cancer patients while working with the latest state-of-the-art medical technology. In my free time I enjoy playing tennis, exercising, traveling, trying new restaurants, and spending time with my family & friends.

  • Yufan (Fred) Wu

    Yufan (Fred) Wu

    Affiliate, Dean's Office Operations - Dean Other
    Resident in Radiation Oncology - Radiation Therapy

    Current Research and Scholarly InterestsPeer review:
    - International Journal of Radiation Oncology, Biology, Physics (Red Journal) resident peer reviewer
    - Ad hoc reviewer for journal manuscripts, Muscle & Nerve Journal
    - Peer reviewer for conference abstracts, UCSF Department of Family & Community Medicine Rodnick Colloquium

    Google Scholar profile (list of publications):
    https://scholar.google.com/citations?hl=en&user=scgY1ecAAAAJ

  • Sandra Zaky

    Sandra Zaky

    Clinical Associate Professor, Radiation Oncology - Radiation Therapy

    BioDr. Zaky is a board certified Radiation Oncologist. She received a Bachelor’s of Science in Biomedical/Electrical Engineering at Marquette University. She worked in research and development as an Engineer, and eventually received a Masters of Science in Immunology from Albany Medical College. Her research thesis focused on a novel therapy to treat hormone-receptor positive breast cancer. She continued to study breast cancer with her research during her Radiation Oncology residency; she integrated her research in the laboratory with her clinical research in triple-negative breast cancer. Since completing residency, she has worked as a general radiation oncologist, and her special interests include breast cancer, skin cancer, CNS tumors and stereotactic radiotherapy.