School of Medicine
Showing 11-20 of 627 Results
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John V. Gahagan, MD, FACS, FASCRS
Clinical Associate Professor, Surgery - General Surgery
BioJohn Gahagan, MD is a Clinical Associate Professor of Surgery in the Section of Colorectal Surgery, and serves as Chief of Surgery at the Stanford Tri-Valley Hospital. He joined Stanford in 2019 to build the Stanford colorectal surgery practice in the East Bay at Stanford Tri-Valley in Pleasanton and at Stanford Health Care – Emeryville. He has training in advanced minimally invasive surgical techniques including robotic and laparoscopic surgery. He has authored several textbook chapters and original articles in peer-reviewed journals. His clinical practice is focused on the surgical treatment of colon and rectal cancers, inflammatory bowel disease (ulcerative colitis and Crohn’s disease), and benign colon and anorectal diseases (diverticulitis, hemorrhoids, fistulas, fissures). He believes in patient-centered care and multi-disciplinary approach to the treatment of diseases of the colon, rectum and anus.
Outside of his clinical practice, he is involved in surgical education and serves as an Associate Program Director of the Stanford General Surgery Residency Training Program as well as the Site Director for the Stanford Tri-Valley surgery rotation. He serves in various administrative roles, including as a member of the Stanford Tri-Valley Medical Staff Quality Committee and the Stanford Medicine Partners Quality and Credentialing Committee. -
Megan Galán
Clinical Assistant Professor, Medicine
BioMegan Galán, M.D., M.S., is a Clinical Assistant Professor in the Division of Hospital Medicine at Stanford. She studied History of Science and Medicine at Yale, earned her M.S. through the UC Berkeley–UCSF Joint Medical Program, and received her M.D. from UCSF before completing her internal medicine residency at Stanford. Her work focuses on equitable, compassionate care for hospitalized patients, particularly those experiencing homelessness, substance use disorders, and justice involvement. She is committed to advancing health equity through advocacy, teaching, and quality improvement, fostering collaboration and patient-centered care.
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Francisco Galdos
Affiliate, Department Funds
Fellow in Pediatrics - CardiologyBioFrancisco earned his undergraduate degree in Human Developmental and Regenerative Biology from Harvard University, graduating magna cum laude. He subsequently completed his MD/PhD at Stanford University School of Medicine. During his doctoral training under the mentorship of Dr. Sean Wu, Francisco published one of the first comprehensive maps of human cardiac cell development using pluripotent stem cell-based models. His research contributed to the development of machine learning tools and genetic tracing systems that identified and characterized human left ventricular cardiomyocytes in vitro, enabling the modeling of left ventricular development in hypoplastic left heart syndrome. Francisco has authored multiple first-author publications and has been awarded funding from both internal sources and the NIH (F30, T32). He has received numerous accolades for his work, including the prestigious Harold Weintraub Award, and has presented his research at various national conferences. As part of the accelerated research pathway at Stanford, Francisco is focused on the genetic and epigenetic mechanisms underlying heart failure and heart development in congenital heart disease, with the ultimate goal of developing novel therapeutics for pediatric patients.
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Susan Galel
Associate Professor of Pathology at the Stanford University Medical Center, Emerita
Current Research and Scholarly InterestsTransfusion-transmitted infections and donor screening for infectious diseases. National policies for blood banks. Enhancement of transfusion safety and effectiveness, with a focus on quality assurance in blood banking and transfusion therapy; transfusion medicine education; pediatric and adult transfusion therapy.
