Stanford University
Showing 151-175 of 175 Results
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Nicholas Trakul, MD, PhD
Clinical 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. Dr. Trakul served as medical directorship of Eden Radiation Oncology Center from 2022 to 2023, the first site to become operation under the Stanford/Sutter Cancer Collaborative. In 2024, he was named Vice Chair and Director of the Radiation Oncology Network. In November of 2024, Dr. Trakul was named Medical Director of Alta Bates Herrick Radiation Oncology. 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. -
Lei Wang
Clinical Professor, Radiation Oncology - Radiation Physics
BioLei Wang, PHD, DABR, is a clinical professor in the Department of Radiation Oncology at Stanford, motivated in advancing patient quality of care, improving education for residents and trainees, and conducting clinical research to improve the quality and accuracy in treatment delivery. She is an expert in CyberKnife SRS/SBRT with more than 15 years of experiences. She currently serves as the chair of the AAPM task group 135.B committee on quality assurance for robotic radiosurgery.
Research interest: small field dosimety, machine and patient quality assurance, treatment planning, etc; new QA tool and methodology development; new treatment technology implementation to keeping high standard in patient care. -
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.
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Zachary Bruce White II
Affiliate, Department Funds
Resident in Radiation Oncology - Radiation TherapyBioI am a physician-leader committed to advancing equitable health care through both clinical care and national policy. My journey into medicine began in childhood, when my mother survived breast cancer. It was a formative experience that ignited my passion for oncology and my resolve to improve care for those most in need.
A native of Birmingham, Alabama, I graduated summa cum laude from Tuskegee University and earned my MD from the University of South Alabama College of Medicine. I currently serve as one of the Chief Residents in Radiation Oncology at Stanford University.
In 2024, I was appointed by the President of the United States as a White House Fellow, serving in the Office of the Secretary at the Department of Veterans Affairs. In that role, I contributed to enterprise-wide efforts to improve care delivery and advance innovation within the nation’s largest integrated health care system, serving as Special Advisor to the Deputy Secretary and supporting senior leadership through policy analysis.
I am also the Immediate Past Chair of the Association of Residents in Radiation Oncology (ARRO), where I championed resident advocacy, expanded mentorship and advanced equity across the field of radiation oncology. Beyond my clinical and policy work, I engage deeply with my community, leading health-education initiatives through my church to reduce disparities and promote health in underserved populations.
I remain committed to a career at the intersection of medicine and policy, working to build a health care system where high-quality, compassionate care is accessible to all. -
Jinxi Xiang
Postdoctoral Scholar, Radiation Physics
Current Research and Scholarly InterestsI develop machine leanring methods to autonomate the digital pathology.
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Lei Xing
Jacob Haimson and Sarah S. Donaldson Professor and Professor, by courtesy, of Electrical Engineering
Current Research and Scholarly Interestsartificial intelligence in medicine, medical imaging, Image-guided intervention, molecular imaging, biology guided radiation therapy (BGRT), treatment plan optimization
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Zi Yang
Clinical Assistant Professor, Radiation Oncology - Radiation Physics
BioDr. Zi Yang is a Clinical Assistant Professor and an American Board of Radiology–certified medical physicist in the Department of Radiation Oncology at Stanford University. She completed her CAMPEP-accredited residency in Therapeutic Medical Physics at Stanford. Dr. Yang earned her M.S. in Medical Physics from Duke University and her Ph.D. in Biomedical Engineering - Medical Physics track from the University of Texas Southwestern Medical Center.
Her research focuses on the development and clinical translation of artificial intelligence methods to enhance radiation therapy, including applications in target segmentation, outcome prediction, and workflow optimization. She is a recipient of the American Association of Physicists in Medicine (AAPM) Research Seed Funding Grant. -
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.
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Hao Zhang
Clinical Assistant Professor, Radiation Oncology - Radiation Physics
Current Research and Scholarly InterestsFree-breathing gated CBCT acquisition on C-arm linear accelerator (LINAC) is time-consuming, typically requiring 2-8 min due to the repeated start-stop gantry motion synchronized with the respiratory gating signal. We propose a next-generation imaging paradigm, nonstop gated CBCT (ngCBCT), to substantially reduce acquisition time, lower imaging dose, and preserve image quality, thereby improving patient comfort and treatment accuracy.
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Kai Zhang
Postdoctoral Scholar, Radiation Physics
Current Research and Scholarly InterestsMy research develops AI systems for biomedicine, with a focus on multimodal learning, foundation models, and self-improving AI. I study how models can integrate medical images, clinical text, EHRs, and biomedical knowledge to support diagnosis, clinical workflows, and scientific discovery, while improving through feedback, evaluation, and human-AI interaction.
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Man Zhao
Postdoctoral Scholar, Radiation Biology
BioMy research primarily focuses on the molecular mechanisms, signaling pathways, and therapeutic targets underlying cancer metabolism, particularly the m6A demethylase FTO. I am also actively exploring the interplay between tumor metabolism and tumor immunity, with the goal of identifying novel metabolic vulnerabilities for cancer treatment.
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Tianyu Zhao
Postdoctoral Scholar, Radiation Biology
Current Research and Scholarly InterestsHow p53 affects the tissue homeostasis in lung cancer and injury.
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Xiaoxu Zhong
Postdoctoral Scholar, Radiation Physics
BioI am a Postdoctoral Fellow in the Guillem Pratx Lab, with an expertise in predictive modeling, algorithm development, and data science. I earned my Bachelor of Science and Master of Science degrees in Ocean Engineering from Shanghai Jiao Tong University. I then received a Ph.D. in Mechanical Engineering from Purdue University, where I focused on developing mathematical models and applying machine learning. My work uncovered the mechanisms behind autoinjectors, drug delivery, and cavitation bubbles, with applications in tumor treatment and the design of medical devices. Currently, I am combining computational modeling and experimental approaches to positron emission tomography imaging, aiming to improve tumor diagnosis and treatment. I am also investigating how ionizing radiation nucleates nano-sized bubbles.
