Stanford University
Showing 1-10 of 83 Results
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Aijaz Ahmed, MD
Professor of Medicine (Gastroenterology and Hepatology)
BioDr. Aijaz Ahmed is an internationally recognized hepatologist who is a board-certified specialist in gastroenterology and hepatology, transplant hepatology, and obesity medicine. He served as the Medical Director of the Adult Liver Transplant Program at Stanford University from 2008-2025. Dr. Ahmed graduated from Dow Medical College, Karachi, Pakistan. He completed his residency training in Internal Medicine at Brown University, Providence, RI and fellowship training in Gastroenterology and Hepatology at Stanford University.
Dr. Ahmed remains clinically active and has been instrumental in establishing a wide network of hepatology outreach clinics in remote and underserved regions of California and Nevada. In addition to his patient care responsibilities, Dr. Ahmed remains committed to the educational mission of Stanford University. He remains deeply interested in mentoring trainees and students at all levels from undergraduates to trainee physicians and junior colleagues. Dr. Ahmed has received several teaching awards during his career.
Dr. Ahmed’s research interests include: 1) multidisciplinary approach to metabolic dysfunction-associated steatotic liver disease (MASLD or ‘Fatty Liver’), 2) disparities in the management of chronic liver disease, 3) improving screening and management of hepatocellular carcinoma (HCC or ‘Liver Cancer’), and 4) outcomes research in MASLD, HCC, viral hepatitis, alcohol-related liver disease, and liver transplantation. He heads a busy and prolific outcomes research team. In addition, he collaborates with basic scientists and is participating in several translational research projects at Stanford University.
He has published his findings in research abstracts, clinical case reports, and peer-reviewed manuscripts in high impact factor medical journals. He has contributed by writing book chapters in textbooks. Dr. Ahmed and his team present their research at national and international conferences on a regular basis. For his clinical, teaching and research achievements, Dr. Ahmed has earned extensive recognition. He has been named as one of America’s Top Physicians by the Consumers’ Research Council of America on several occasions. -
Ashish Atreja
Clinical Professor, Medicine - Gastroenterology & Hepatology
BioI work at the intersection of health care technology and artificial intelligence. My primary clinical specialty is Gastroenterology and my focus on AI is broad application and validation of clinical AI across diverse use cases.
After completing a master's in public health at the University of Illinois at Chicago, I have completed internal medicine residency, informatics fellowship, and gastroenterology fellowship at the Cleveland Clinic. I have been working at the intersection of technology and healthcare for the last 25 years, was the first gastroenterologist to receive informatics board certification. In leadership roles, I have led Epic implementations as informaticist, served as the Chief Innovation Officer, Medicine at Mount Sinai, New York, and most recently as CIO and inaugural Chief Digital Health Officer at UC Davis Health. For my executive roles, I have been recognized with numerous national honors, including being named one of the Top Digital Health Officers by Becker’s, a Top 40 Healthcare Transformer in 2017, a Top 50 Healthcare Leader by HIMSS in 2021, a Top 30 Health IT Influencer by Health Tech Magazine in 2022, a Top 150 Business Transformer Across global industries by Constellation Research and a top 35 Digital Health officer by Beckers in 2023.
As a digital health entrepreneur, I have successfully licensed technologies, and founded companies originating from academic medical centers. I was the co-founder of Rx.Health, a venture-backed spinout from Mount Sinai Health System that automated digital care delivery for major organizations including UnitedHealthcare and five of the top ten health systems in the U.S., ultimately impacting over 90 million patient lives before its successful acquisition. As a co-founder of GenServe.AI, I am currently working with a team focused on democratizing access to secure Generative AI and autonomous care for all.
I have been NIH-funded since 2014, including for IBD digital monitoring, have published more than 108 peer-reviewed articles and delivered over 250 posters, abstracts, and talks at national meetings. My research focuses on building, implementing, and evaluating digital health and AI-powered solutions aimed at improving patient and population outcomes, for which I am also known as the "App Doctor." -
Subhas Banerjee
Professor of Medicine (Gastroenterology and Hepatology)
Current Research and Scholarly InterestsDr. Banerjee is the Director of Endoscopy at the Stanford University Medical Center. His research interests include evaluation of advanced endoscopic procedures (ERCP, choledochoscopy and endoscopic ultrasound) in the diagnosis and management of benign and malignant pancreatic and biliary disease. Additional interests include the development of new endoscopic devices and instruments.
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Grant Barber
Clinical Assistant Professor, Medicine - Gastroenterology & Hepatology
BioDr. Grant Barber is a Clinical Assistant Professor at Stanford University. His clinical passion is in the care of patients suffering from inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. After completing his medical training at Harvard Medical School, he completed his training in gastroenterology as well as a Master's degree in clinical research at Stanford. He completed additional training in advanced IBD management at Stanford before joining faculty. His research is focused on male reproductive health in IBD, quality improvement in the provision of IBD care, and economic studies to identify strategies that provide excellent outcomes while being sustainable within the healthcare system. He is an expert in tailoring evidence-based therapies to need of individual people with IBD.
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Laren Becker
Assistant Professor of Medicine (Gastroenterology)
BioI am a physician-scientist in the Division of Gastroenterology at Stanford University. My clinical and research interest has been in neurogastroenterology. Specifically, my research has been exploring the interplay between immune cells and the enteric nervous system, and evaluating how perturbations of this interaction as a result of aging disrupts gastrointestinal neuromuscular function. Ultimately, my hope is that insights from this research provide novel therapies for treating patients with motility disorders like constipation and irritable bowel syndrome.
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Chris Cartwright, MD
Professor of Medicine (Gastroenterology and Hepatology), Emerita
Current Research and Scholarly InterestsMolecular mechanisms of intestinal cell growth control; function and regulation of the Src family of tyrosine kinases in normal cells, and their deregulation in cancer cells.
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Ramsey Cheung
Professor of Medicine (Gastroenterology and Hepatology)
Current Research and Scholarly InterestsDr. Cheung's research interests focus on liver diseases, with emphasis on viral hepatitis. His past research include investigating the mechanism of viral neutralization of hepatitis B virus at the molecular level and immune response to hepatitis C virus. Dr. Cheung is studing various aspects of hepatitis C, both clinical and translational research.
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Antonios Chronopoulos
Instructor, Medicine - Gastroenterology & Hepatology
Current Research and Scholarly InterestsMy research focuses on understanding how extracellular matrix (ECM) remodeling in liver fibrosis, particularly in the context of aging, diabetes, and metabolic-associated steatohepatitis (MASH), disrupts tissue mechanical homeostasis and drives hepatocellular carcinoma pathogenesis. The goal is to translate these mechanobiological insights into novel therapies targeting mechanotransduction to prevent or reverse fibrosis and improve patient outcomes with liver cancer and other desmoplastic tumors
