Stanford University
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Marily Oppezzo
Senior Research Scholar, Medicine - Med/Stanford Prevention Research Center
BioDr. Oppezzo is an Instructor of Medicine at the Stanford Prevention Research Center and head of the nutrition pillar at Stanford Lifestyle Medicine. She is a behavioral and learning scientist, dietitian, and exercise science interventionist. She earned her PhD in Educational Psychology from Stanford University, and holds a Master’s degree in Nutritional Science, and is board certified Lifestyle Medicine Professional.
Dr. Oppezzo's work combines her extensive training in nutrition, exercise science, and behavioral science to develop innovative interventions that empower individuals to adopt sustainable, healthy habits - integrating them into their already busy lives. With a focus on "minimal dose, maximal gains" she explores the best ways for people to adopt small, actionable changes for significant improvements in health and well-being. She is particularly interested in the impact of "exercise snacks"—short, accessible bouts of physical activity—on productivity, mood, and overall health. One of her key interventions, "Stronger," is designed to provide peri- and post-menopausal women with effective strength training that maximizes benefits while minimizing time commitment. -
Chi Mong Christopher Or
Clinical Assistant Professor, Ophthalmology
BioDr. Or is a board-certified ophthalmologist and family medicine physician. He received advanced uveitis training through the uveitis and medical retina fellowship at Stanford University School of Medicine. Prior to residency, he also completed a fellowship in optical coherence tomography (OCT) research at the New England Eye Center. Dr. Or treats patients at the Byers Eye Institute at Stanford Health Care and Menlo Medical Clinic in Menlo Park. He is also a clinical assistant professor in the Department of Ophthalmology at the Stanford University School of Medicine.
Dr. Or treats many eye diseases, including age-related macular degeneration, cataracts, and uveitis. He emphasizes using imaging to diagnose and monitor the progression of eye conditions.
His research interests include eye imaging methods such as OCT and OCT angiography (OCTA). Dr. Or has studied these imaging techniques for years, first as a research assistant, then as a fellow, and now as a principal investigator. He has studied using these imaging techniques for diagnosing and monitoring age-related macular degeneration, diabetic retinopathy, and uveitis.
He is actively involved in clinical trials for optical imaging and serves as principal investigator in clinical trials assessing different medications to treat eye diseases.
Dr. Or has published numerous peer-reviewed articles on topics such as optical imaging, autoimmune eye diseases, and vascular eye diseases. His research has appeared in prestigious journals including Clinical Ophthalmology, Ocular Immunology and Inflammation, Retina, the American Journal of Ophthalmology, and many other ophthalmology journals worldwide.
He is a member of the American Academy of Ophthalmology, the American Society of Retina Specialists, and the Association for Research in Vision and Ophthalmology (ARVO). Dr. Or has presented his research at various national and international meetings. -
Nnamdi Orakpo, MD, PhD
Clinical Assistant Professor, Psychiatry and Behavioral Sciences - Sleep Medicine
BioDr. Nnamdi Orakpo is a fellowship-trained sleep medicine specialist with Stanford Health Care. Dr. Orakpo is also a clinical assistant professor in the Department of Psychiatry and Behavioral Sciences, Division of Sleep Medicine at Stanford University School of Medicine.
Dr. Orakpo specializes in sleep medicine and sleep psychiatry. He focuses on sleep-related conditions, including chronic insomnia, narcolepsy, sleep apnea, restless leg syndrome, and trauma-associated sleep disorders. Dr. Orakpo also treats patients with ADHD, depression, anxiety disorders, neurocognitive disorders, and post-traumatic stress disorder. He offers interventional psychiatry treatments, including ketamine therapy and transcranial magnetic stimulation.
Dr. Orakpo led a pioneering study on virtual reality neurofeedback to treat insomnia and chronic centralized pain. He has also studied managing sleep apnea and obesity using GLP-1 medications. His other research has looked at the development of a rare movement disorder (propriospinal myoclonus) after taking metoclopramide during pregnancy.
Dr. Orakpo has published his research in peer-reviewed journals, including Sleep, Frontiers in Human Neuroscience, and Frontiers in Psychiatry. He co-wrote a clinical sleep medicine textbook with his colleagues, contributing chapters on chronic insomnia, isolated sleep paralysis, sleep-related eating disorders, sexsomnia, and exploding head syndrome. Dr. Orakpo has presented to his peers at international and national meetings of the World Sleep Congress/World Dentofacial Sleep Society, the American Academy of Neurology, and the American Public Health Association.
Dr. Orakpo is a member of many professional organizations, including the American Academy of Sleep Medicine, the American Psychiatric Association, the North American Neuromodulation Society, and the World Sleep Society.
