School of Medicine
Showing 41-50 of 66 Results
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Aussama Nassar, MD, MSc,FACS, FRCSC
Clinical Associate Professor, Surgery - General Surgery
BioDr. Nassar is board-certified in both General Surgery and Surgical Critical Care in the United States and Canada, underscoring his exceptional expertise in these fields. He holds a Master of Science in Health Science Education from McMaster University, Canada, further solidifying his strong academic foundation.
Currently, Dr. Nassar serves as the inaugural Director of the Emergency General Surgery Service and the Director of the Surgical Critical Care Fellowship Program at Stanford University. He is also the founder and director of the Surgery Resident Coaching Program. With over 12 years of clinical and academic experience at premier tertiary care referral centers across North America, Dr. Nassar brings unparalleled knowledge and leadership to his roles.
Dr. Nassar's clinical interests include trauma, acute care surgery, critical care, and a particular focus on abdominal wall reconstruction. As a dedicated clinician-educator, he is a certified simulation educator and serves as a course director for ATLS and ASSET programs. His research is centered on advancing surgical education, with an emphasis on fostering the development of non-technical skills in surgical training.
In addition to his educational initiatives, Dr. Nassar is actively engaged in developing innovative assessment tools for surgical trainees and addressing burnout among physicians and healthcare professionals. With a strong national and international presence, Dr. Nassar continues to shape the future of surgical education and healthcare delivery through his leadership, research, and advocacy. -
Jeffrey Norton, MD
Robert L. and Mary Ellenburg Professor of Surgery, Emeritus
Current Research and Scholarly InterestsInterleukin-12 is a Th1 cytokine. It is important in the cell mediated immune response. We are investigating its role as an anti-tumor cytokine to augment the immune response against cancer. We are planning a human trial.
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George A. Poultsides, MD, MS
Stanford Department of Surgery Professor
Current Research and Scholarly InterestsClinical trials of experimental diagnostics and therapeutics; outcomes analysis following combined modality treatment of hepatic, pancreatic, and gastrointestinal malignancies.
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Carla Pugh, MD, PhD
Thomas Krummel Professor
Current Research and Scholarly InterestsThe Technology Enabled Clinical Improvement (T.E.C.I.) Center is a multidisciplinary team of researchers dedicated to the design and implementation of advanced engineering technologies that facilitate data acquisition relating to clinical performance.
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Brian Ruhle, MD, MS
Clinical Assistant Professor, Surgery - General Surgery
BioDr. Ruhle is a board-certified surgeon with dual fellowship training in bariatric and minimally invasive surgery from Stanford Health Care and endocrine surgery from UCLA Health. He also serves as a clinical assistant professor in the Department of Surgery, Division of General Surgery at Stanford University School of Medicine.
Dr. Ruhle specializes in bariatric (weight loss) surgery, foregut (upper digestive tract) surgery, and abdominal wall reconstruction. He uses leading-edge laparoscopic and robotic surgical techniques to help patients achieve sustainable weight loss and improve obesity related health conditions. His expertise in advanced minimally invasive procedures offers patients significant benefits, including faster recoveries, reduced pain, and shorter hospital stays.
Dr. Ruhle’s research interests span a wide range of topics in metabolic and bariatric surgery. His studies have explored combination therapy for obesity management, improved screening and treatment of endocrine disorders, and optimizing outcomes in thyroid and parathyroid surgery. He has published his findings in numerous peer-reviewed journals, including Surgery, Journal of Gastrointestinal Surgery, Blood, and Journal of the American College of Surgeons.
During his surgical training, Dr. Ruhle presented at prominent national and regional meetings, including the annual meetings of the American Association of Endocrine Surgeons and American College of Surgeons Clinical Congress. His presentations have addressed innovative topics such as using GLP-1 agonists (medications that help regulate blood sugar and reduce appetite) before bariatric surgery. His presentations have also addressed improving screening protocols for hyperaldosteronism (high blood pressure caused by the excess production of the hormone aldosterone).
Dr. Ruhle is a member of the American Association of Endocrine Surgeons, American Society for Metabolic and Bariatric Surgery, Clinical Association of California Endocrinologists, and Society of American Gastrointestinal and Endoscopic Surgeons. -
Carolyn Dacey Seib, MD, MAS
Associate Professor of Surgery (General Surgery)
BioDr. Carolyn Dacey Seib is a fellowship-trained endocrine surgeon and board-certified general surgeon who specializes in surgery of the thyroid, parathyroid, and adrenal glands. In 2025, she was among the first surgeons in the United States to earn a Focused Practice Designation in Complex Thyroid and Parathyroid Surgery from the American Board of Surgery, reflecting her expertise in these procedures and related patient management.
Dr. Seib provides comprehensive and personalized care for patients with thyroid, parathyroid, and adrenal disorders, including thyroid cancer, hyperthyroidism, primary hyperparathyroidism, primary aldosteronism, autonomous cortisol secretion, and pheochromocytomas. Her approach combines advanced surgical techniques with a focus on patient-centered outcomes, ensuring that each treatment plan is tailored to the individual.
In addition to her clinical practice, Dr. Seib is an NIH-funded researcher whose work focuses on optimizing surgical decision-making and outcomes for patients with endocrine disorders. She has received research support from the National Institute on Aging and the American Thyroid Association, and her studies have been published in leading peer-reviewed journals and featured in national media, including The New York Times.
Dr. Seib completed her undergraduate education at Princeton University (summa cum laude), earned her medical degree from the New York University School of Medicine, and completed her general surgery residency and endocrine surgery fellowship at the University of California, San Francisco (UCSF). -
Andrew A. Shelton, MD, FACS, FACRS
Clinical Professor, Surgery - General Surgery
Current Research and Scholarly InterestsMultimodality treatment of rectal cancer
Sphincter preserving procedures for rectal cancer
Laparoscopic colon and rectal surgery
Surgical education -
Samuel So, MD
Lui Hac Minh Professor in the School of Medicine
Current Research and Scholarly InterestsThrough a 4 pronged comprehensive program: translational and clinical research, early detection and treatment, promoting education, awareness and immunization and building partnership, we are working towards the development of new strategies that will lead to the elimination of hepatitis B worldwide and reduce the threat and incidence of liver cancer. Current research efforts focus on evaluating potential new diagnostic and treatment markers and novel targeted therapy for primary liver cancer.
