School of Medicine


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  • Dessi Zaharieva

    Dessi Zaharieva

    Assistant Professor (Research) of Endocrinology

    Current Research and Scholarly InterestsThe 4T (Teamwork, Targets, Technology, and Tight Control) Exercise Study focuses on addressing the attitudes & barriers to exercise for families and newly diagnosed youth with type 1 diabetes (T1D). We are currently establishing feasibility and understanding physical activity patterns and behaviours in newly diagnosed youth with T1D using wearable activity trackers. This work also involves delivering structured exercise education to families and youth with T1D over telehealth.

  • Aydin Zahedivash

    Aydin Zahedivash

    Adjunct Clinical Assistant Professor, Clinical Informatics

    BioAydin is a pediatrician, educator, and engineer whose interests lie at the intersection of technology, health equity, and children’s health. Aydin completed his undergraduate degree in Biomedical Engineering at the University of Texas at Austin and went on to complete an MD and MBA at the University of Texas at Austin Dell Medical School and McCombs School of Business. He has a keen interest in the medical technology space, having contributed as a researcher, mentor, inventor, and consultant in both the academic and industry settings. He is a general pediatrician at the Palo Alto Medical Foundational San Carlos office and serves as the Medical Director for Digital Patient Experience at Sutter Health. At Stanford, he serves as Assistant Director for Digital Health and AI at the Stanford Mussallem Center for Biodesign where he helps teach the Biodesign for Digital Health and Building for Digital Health courses. His research focuses on the role of wearable devices for as diagnostic monitors in children and how digital health can be used to expand and integrate access to care.

  • Ke-You (Yoyo) Zhang

    Ke-You (Yoyo) Zhang

    Clinical Assistant Professor, Pediatrics - Gastroenterology

    BioDr. Ke-You "Yoyo" Zhang is a board-certified pediatric transplant hepatologist and clinical assistant professor at Stanford University School of Medicine. She serves as Medical Director of both the Intestinal Transplant Program at Lucile Packard Children’s Hospital and the Vascularized Composite Tissue Transplant Program at Stanford Hospital. Dr. Zhang specializes in pediatric intestinal and liver transplantation, with research interests at the intersection of transplant immunology, stem cell therapeutics, and precision medicine.

    A graduate of the University of Connecticut School of Medicine, Dr. Zhang completed her pediatrics residency and fellowships in pediatric gastroenterology and transplant hepatology at Stanford. She has authored numerous peer-reviewed publications on topics including pediatric liver and intestinal transplantation, acute rejection, and pancreatitis, and she is a frequent invited speaker at international conferences. Dr. Zhang also directs clinical trials advancing novel therapies for intestinal transplant patients and holds leadership roles in national transplant and hepatology societies.

    Her work is recognized with the 2025 Early Career Clinical Excellence Award from Stanford's Department of Pediatrics. Dr. Zhang is deeply committed to improving outcomes and quality of life for children with complex gastrointestinal and liver diseases through innovative, multidisciplinary care.