Stanford University
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Elham Rahimy, MD
Clinical Assistant Professor, Radiation Oncology - Radiation Therapy
BioDr. Rahimy is a radiation oncologist who treats patients with brain, spine, gastrointestinal, and metastatic tumors. She received her medical training at Yale, followed by residency at Stanford. She is a Clinical Assistant Professor with the Stanford Department of Radiation Oncology.
Dr. Rahimy's technical expertise includes CyberKnife Radiosurgery and MRI-guided adaptive planning. 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. She leads quality initiatives as a Quality Physician Improvement Leader, and serves as the Medical Student Clerkship Director. -
Vasiliki Rahimzadeh
Member, Maternal & Child Health Research Institute (MCHRI)
BioVasiliki (Vaso) Rahimzadeh, PhD is an applied bioethics scholar with research interests at the intersection of precision medicine, data governance and public policy.
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Afrin Kamal Rahman MD MS
Clinical Associate Professor, Medicine - Gastroenterology & Hepatology
BioDr. Afrin Kamal Rahman (previously known as Dr. Kamal) is a Clinical Associate Professor of Gastroenterology at Stanford University School of Medicine. Her health services research interests focus on developing and testing communication tools to improve the patient-care provider experience. She has authored 50+ peer reviewed publications and is an NIH funded research. Dr. Rahman is a principal investigator for a K23 grant awarded by the NIDDK to develop and test a mobile health application tool for patients with gastroesophageal reflux disease (GERD).
Dr. Rahman is co-chair of the Young International Society for Diseases of the Esophagus (ISDE) and serves on several committees as part of American College of Gastroenterology and American Foregut Society. She is also an associate editor for Diseases of the Esophagus and director of the Esophageal Virtual Collaborative, an on-line platform with a mission to discuss complex challenging cases in benign esophageal disease among colleagues cross-nation.
PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=kamal%2C+afrin&sort=date
Research website: knowreflux.org -
Mobeen Rahman
Clinical Associate Professor, Pathology
BioI have interest in head and neck oncological surgical pathology. Specifically in salivary gland, thyroid, and skull base related malignancies.
Prior to joining faculty as an assistant professor at Stanford University, I completed a head and neck surgical pathology fellowship at the MD Anderson Cancer Center (2019). Following this subspecialty fellowship, I was faculty as a head and neck only pathologist at Cleveland Clinic for three years. -
Zakia Rahman, MD FAAD
Clinical Professor, Dermatology
BioDr. Zakia Rahman is a Clinical Professor of Dermatology at Stanford University School of Medicine where she directs the resident laser and aesthetic clinic. She is Assistant Chief of the Livermore division of the Palo Alto Veterans Healthcare system where she co-directs dermatologic surgery. Dr. Rahman graduated with distinction as a Biodesign Faculty Fellow from the Stanford Mussallem Center for Biodesign. She is Affiliate Faculty at the Stanford Center on Longevity where she and her colleagues have launched the Program on Aesthetics & Culture. Dr. Rahman is an invited lecturer nationally and internationally on skin longevity, laser and aesthetic dermatologic surgery, artificial intelligence in aesthetics, social media beauty ideals, physician burnout/wellness, and skin of color. She is a media expert and has been featured in the NYT, Bloomberg News, Huffington Post, NBC, CBS, Elle, Washington Post, LA Times, and Scientific American. She has helped pioneer lasers and energy based devices for safe and efficacious treatment of skin of color. She serves on the American Medical Association AI Subspecialty Collaborative and on the national board of directors for the American Society for Laser Medicine and Surgery. She has also previously served as Chair of the Stanford School of Medicine Faculty Senate. Her numerous awards include the Melanie Grossman Award for leadership, mentorship, and advocacy for women in medical sciences as well as the American Academy of Dermatology Presidential Citation for advancing diversity in the field of dermatology.
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Hannah Elizabeth Raila
Adjunct Clinical Instructor, Psychiatry and Behavioral Sciences
BioDr. Hannah Raila's training focuses the "diet" of visual information that we consume as we navigate the world (e.g., do we see the crack in the wall, or do we pass by it unaware?), the factors that predispose us to detect this emotional information in our environment the first place, and how this diet of information influences our emotions. To study our visual biases and how they relate to how we feel, she leverages tools from cognitive psychology - including eye tracking and continuous flash suppression (CFS).
As a postdoctoral researcher in Dr. Carolyn Rodriguez's lab, she is particularly interested in links between visual attention and emotion in OCD, and whether biased visual processing of obsession-related cues contributes to symptom severity. -
Sameer Raina, MD, MBBS, MBA, FACC
Clinical Associate Professor, Medicine - Cardiovascular Medicine
BioDr. Raina is a board-certified cardiologist in the General Cardiology clinic at Stanford Health Care and a member of the Stanford Cardiovascular Institute. He is also a clinical associate professor in the Division of Cardiovascular Medicine.
His clinical interests include preventive cardiology, cardiac rehabilitation, and sports cardiology. In his recent positions at West Virginia University, he established the cardiology telemedicine program during and after the COVID pandemic. He applied his passion for cardiac rehab by creating individualized treatment plans for college athletes recovering from COVID. Dr. Raina is also passionate about building relationships with community doctors. He believes continuous communication is an essential part of excellent patient care.
Dr. Raina’s current research focuses on preventive cardiology, cardiac imaging, and outcomes research. He studies the outcomes of different cardiac interventions in specific patient populations. His research helps identify appropriate treatments for patients who have other conditions in addition to heart disease.
Dr. Raina eagerly anticipates joining the faculty of the Stanford South Asian Translational Heart Initiative (SSATHI). He is excited for the opportunity to address the high risk of cardiovascular diseases among South Asians. He looks forward to applying his clinical and research experience to support SSATHI’s mission to provide advanced care to ethnic populations disproportionately affected by these diseases.
Dr. Raina is a peer reviewer for several prestigious publications, including Neuropsychiatric Disease and Treatment and the International Journal of Chronic Obstructive Pulmonary Disease. He has also been an invited guest speaker at national and international meetings, including those for the International Congress of Cardiology and the World Congress of Cardiothoracic-Renal Diseases.
Dr. Raina is a fellow of the American College of Cardiology (FACC) and a member of the American College of Cardiology. -
Alireza Raissadati, MD, PhD
Instructor, Pediatrics - Cardiology
Fellow in Pediatrics - CardiologyBioDr. Raissadati is a Pediatric Cardiology Attending Physician at Lucile Packard Children's Hospital specializing in Advanced Cardiac Therapies. With dual PhDs in medicine and biotechnology, his research focuses on developing non-invasive molecular tools to understand and treat heart failure and transplant rejection, with the goal of identifying new diagnostic and therapeutic targets for acute rejection and vasculopathy of the heart transplant.
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Douglas Rait, Ph.D.
Clinical Professor, Psychiatry and Behavioral Sciences
Current Research and Scholarly InterestsDr. Rait's clinical and research interests include couples and family therapy, the family context of health and illness, family-systems training in medical education, work-couple-family balance, the influence of technology on family relationships, health technology innovation, multidisciplinary team performance, and digital applications in the behavioral sciences.
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Kristin Raj
Clinical Professor, Psychiatry and Behavioral Sciences
BioDr. Raj specializes in the treatment of mood disorders with an expertise in neuromodulation and in the psychopharmacological management of bipolar disorder. She is chief of interventional psychiatry, including transcranial magnetic stimulation and electroconvulsive therapy, co-chief of mood disorders and chief of the bipolar clinic. She is the director of education for interventional psychiatry where she manages resident education in ECT and TMS and development of didactics. She is also co-director of the neuroscience curriculum for the psychiatry residency where she has worked to assess and create a new series of interactive lectures. She currently serves on the Board of Directors and the Education Committee of the Clinical TMS society. She is on the Board of Directors for the Foundation for the Advancement of Clinical TMS.
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Rishi Raj
Clinical Professor, Medicine - Pulmonary, Allergy & Critical Care Medicine
BioDr. Rishi Raj is a Clinical Professor of Medicine at Stanford University, where he directs the Interstitial Lung Disease program. He has practiced pulmonary and critical care medicine for over two decades and specializes in the diagnosis and treatment of interstitial lung diseases.
His primary clinical interest encompasses a range of interstitial lung diseases, including idiopathic pulmonary fibrosis, other idiopathic interstitial lung diseases, drug-induced interstitial lung diseases, interstitial lung disease associated with connective tissue diseases such as scleroderma, rheumatoid arthritis, dermatomyositis, sarcoidosis, hypersensitivity pneumonitis, and other various interstitial lung diseases. His other clinical interest is acute respiratory failure associated with interstitial lung diseases, and Dr. Raj attends regularly in the medical intensive care units.
He is a principal investigator and co-investigator in numerous clinical trials, examining new therapies for treating idiopathic pulmonary fibrosis and other interstitial lung diseases.
Dr. Raj's current research focuses on the use of radiologic biomarkers to predict outcomes in various interstitial lung diseases, and leveraging large language models in clinical research. -
Shriti Raj
Assistant Professor of Medicine (Computational Medicine)
BioShriti is an Assistant Research Professor in Stanford’s Center for Biomedical Informatics Research and a Junior Faculty Fellow at the Institute for Human-Centered AI. Her research focuses on developing and evaluating human-centered decision-support techniques to help patients and clinicians make health data and algorithms actionable. She is particularly interested in creating tools to support the use of wearable health data and studying their impact on chronic condition management.
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Ram Rajagopal
Associate Professor of Civil and Environmental Engineering, of Electrical Engineering and Senior Fellow at the Precourt Institute for Energy
On Partial Leave from 01/01/2026 To 06/30/2026BioRam Rajagopal is an Associate Professor of Civil and Environmental Engineering at Stanford University, where he directs the Stanford Sustainable Systems Lab (S3L), focused on large-scale monitoring, data analytics and stochastic control for infrastructure networks, in particular, power networks. His current research interests in power systems are in the integration of renewables, smart distribution systems, and demand-side data analytics.
He holds a Ph.D. in Electrical Engineering and Computer Sciences and an M.A. in Statistics, both from the University of California Berkeley, Masters in Electrical and Computer Engineering from University of Texas, Austin and Bachelors in Electrical Engineering from the Federal University of Rio de Janeiro. He is a recipient of the NSF CAREER Award, Powell Foundation Fellowship, Berkeley Regents Fellowship and the Makhoul Conjecture Challenge award. He holds more than 30 patents and several best paper awards from his work and has advised or founded various companies in the fields of sensor networks, power systems, and data analytics. -
Nitya Rajeshuni
Clinical Instructor, Pediatrics - Critical Care
BioDr. Rajeshuni is a Clinical Instructor in the Department of Pediatrics at Stanford University. She is faculty with the Stanford Center for Asian Health Research and Education (CARE), the Center for Innovation in Global Health (CIGH), and the Maternal Child Health Research Institute (MCHRI). Dr. Rajeshuni earned her BS, MS in Epidemiology and Clinical Research, and MD from Stanford University. She completed residency training at the University of Pennsylvania and a Biodesign innovation fellowship at Harvard University.
Her research centers on advancing health equity among racial and ethnic minorities, with a particular focus on Asian populations. She investigates health disparities, access to care, and the implementation and evaluation of public and digital health solutions in the U.S. and low- and middle-income countries. Current projects include studying the impacts of maternal education and intimate partner violence on child outcomes. Her broader interests encompass promoting resilience and well-being in vulnerable communities worldwide and leveraging digital health to reduce health disparities. She is a recipient of a career development award through the CHIME Health Equity Scholars program funded by PCORI and will be studying the effects of social supports on resilience in pregnant people of minority descent. Her global collaborations include work with NGO Arogya World on diabetes prevention in India as a collaborator and member of the Board. She is also the Director of South Asia Outreach at Stanford CARE. She also serves as a Product Advisor to healthcare startup Yuimedi.
Dr. Rajeshuni is deeply committed to teaching and mentorship. At Stanford, she serves as Associate Program Director for CARE Scholars and the Team Science Fellowship, year-long data science programs that provide emerging researchers with structured mentorship, advanced analytical skills, and interdisciplinary collaboration to drive health equity research. She is Faculty Co-Director of FAMMED 210: The Healer’s Art, an international program offering a reflective, experiential course designed to nurture compassion, resilience, and the humanistic values essential to medicine. She mentors graduate, undergraduate, and high school students at Stanford and beyond, and serves as Faculty Advisor in the Department of Human Biology.
Outside academia, Dr. Rajeshuni is an accomplished vocalist, performing professionally with world music ensembles Wobbly World and San Francisco’s Peña Pachamama Carnaval Arts Program. -
Sachin Rajpal, MD
Clinical Instructor, Ophthalmology
BioDr. Sachin Rajpal is an ophthalmologist at Stanford Health Care. He is also a clinical instructor in the Department of Ophthalmology at Stanford University School of Medicine.
Dr. Rajpal specializes in cataract surgery and minimally invasive glaucoma surgery (MIGS). He also focuses on the medical and surgical management of pterygium (growths on the white of the eye) and ocular (eye) surface disease. His approach emphasizes comprehensive, patient-centered care, combining clinical excellence with clear communication and individualized treatment planning. He is particularly passionate about improving access to surgical care and enhancing the patient experience through the thoughtful application of emerging technology.
His research interests include patient adoption of digital diagnostic tools, technology-driven vision testing, and the development and regulation of leading-edge ophthalmic devices. He is also part of the Stanford Medicine Byers Eye Institute team working on a whole-eye transplant project focusing on vision restoration. Dr. Rajpal is actively involved in translational research that bridges clinical needs with scalable solutions.
Dr. Rajpal’s work has been presented at major conferences, including the Association for Research in Vision and Ophthalmology, American Society of Refractive and Cataract Surgery, and American Academy of Ophthalmology (AAO). He has authored peer-reviewed studies on topics ranging from corneal melt (corneal breakdown) to divergence insufficiency (outward vision problems), wearable visual field testing, and economic models of ocular disease burden. -
Lindsey Ralls
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
BioLindsey Ralls, MD, is a Clinical Assistant Professor in the Department of Anesthesiology, Perioperative and Pain Medicine at Stanford University. She is originally from California, and after undergraduate training at Stanford University she completed her medical degree and internship at Baylor College of Medicine in Houston, TX. She then returned to the Bay Area and completed her Anesthesia residency (2008) and Obstetric Anesthesia fellowship (2009) at Stanford University.
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Asheen Rama
Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
BioDr. Asheen Rama is a member of the Division of Pediatric Anesthesiology. He regularly organizes and conducts medical simulations across various hospital units, utilizing both traditional in-situ methods and advanced immersive technologies, such as virtual and augmented reality. He also collaborates with the Stanford CHARIOT program, leading efforts to integrate immersive technologies into medical education and working to scale these innovations nationally and internationally.
Dr. Rama teaches a diverse range of learners, including medical students, residents, fellows, and nurses. His academic interests focus on simulation, medical education, and artificial intelligence. Additionally, he has a strong interest in the medical humanities and has taught several Stanford undergraduate and medical student courses that explore the intersection of art and medicine.
