Medicine
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Vishnu Ravi
Clinical Assistant Professor, Medicine - Primary Care and Population Health
BioDr. Vishnu Ravi combines his expertise as a board-certified, practicing internal medicine physician, senior software engineer, and board-certified clinical informaticist to create transformative solutions for healthcare.
As the Technology Architect for Stanford Medicine Catalyst, the Stanford School of Medicine's flagship innovation program, he designs, develops, and implements innovations including AI-driven platforms for Parkinson's care, chronic cardiovascular disease management, and precision pharmacogenomics that are helping patients receive more personalized and effective care.
At the Stanford Mussallem Center for Biodesign, Vishnu helps lead the center's digital health initiatives spanning education, research, and translation. To support this work, he co-founded Stanford Spezi, an open-source framework and ecosystem for building modular, standards-based digital health solutions that is now used by leading healthcare institutions and companies worldwide.
Vishnu also instructs Stanford's CS342/MED253 Building for Digital Health, an innovative course that brings together computer science, engineering, and medical students with clinical faculty to develop real-world healthcare applications. In 2025, he helped lead the international expansion of this program, with a successful launch at Chalmers University of Technology and University of Gothenburg in Sweden. He is also deeply involved in the effort to weave AI into the medical school curriculum at Stanford.
Vishnu's entrepreneurial experience includes co-founding a TechStars-backed startup and developing COVID-19 solutions deployed internationally. He has pioneered clinical AI applications, creating conversational agents and advanced analytics for unstructured health data, while contributing to international mobile health data standards. He serves as a technical consultant to companies including Google and speaks regularly at industry conferences.
Alongside his technology work, Vishnu maintains his connection to clinical practice as an Internal Medicine physician providing comprehensive primary care to a diverse patient population at Stanford Health Care. -
Risheen Reejhsinghani
Clinical Associate Professor, Medicine - Cardiovascular Medicine
BioRisheen Reejhsinghani obtained her medical degree in Mumbai, India, followed by an internal medicine residency at St. Elizabeth's Medical Center in Boston, MA and cardiology fellowship at Baystate Medical Center/Tufts University School of Medicine, where she served as one of the chief fellows. She subsequently completed an advanced echocardiography fellowship at the University of California, San Francisco, and is board certified in echocardiography, general cardiology, and nuclear cardiology.
Dr. Reejhsinghani practices as a general cardiologist in the Division of Cardiovascular Medicine at Stanford University School of Medicine, where she also serves as the associate director for the hospital-based consultative cardiology service. As a clinical cardiologist, she believes strongly in the tenets of evidence-based practice, diagnostic cognizance, and patient education. She also has a specific interest in the burgeoning field of Cardio-Rheumatology, focused on cardiac diseases among patients with rheumatologic conditions such as rheumatoid arthritis, systemic lupus erythematosus, scleroderma, and ankylosing spondylitis, among others. Her clinical research in this area has focused on the evaluation of structural cardiac disease and diastolic dysfunction in ankylosing spondylitis patients, primarily using echocardiography.
Dr. Reejhsinghani has an academic focus in medical education, and believes that instilling a love for bedside medicine and the physical exam is the soundest way to empower future generations of learners. To this end, she received additional training in clinical teaching and simulation at the University of California, San Francisco, and has worked extensively on curriculum and course design. She currently serves as the associate program director of the cardiovascular medicine fellowship at Stanford, and is an associate course director for the Year 1 Practice of Medicine Course at the Stanford University medical school. Dr. Reejhsinghani also enjoys writing, particularly about medical education and has written articles for international newspapers, among other publications.
