Learn more about the Department of Surgery surgeons and scientists exploring obesity and metabolic disease research.

Justin B. Dimick, MD, MPH
Department of Surgery Chair
Frederick A. Coller Distinguished Professor of Surgery
Professor, General Surgery

Jonathan F. Finks, MD
Associate Professor, General Surgery
Associate Director, Michigan Bariatric Surgery Collaborative
Associate Clerkship Director, Department of Surgery

Amir A. Ghaferi, MD, MS
Associate Professor, General Surgery
Associate Professor, Stephen M. Ross School of Business
Vice Chair of Strategy & Finance, Surgery
Surgical Director, University Hospital OR
Director, Michigan Bariatric Surgery Collaborative

Michael W. Mulholland, MD, PhD
Executive Director, University of Michigan Medical Group
Senior Associate Dean for Clinical Affairs
Professor, General Surgery

Robert W. O'Rourke, MD
Chief, Division of Veteran's Administration
Professor, General Surgery
Director of Bariatric Surgery Program, AAVA
Director, Obesity-Adipose Tissue Research Laboratory

Randy Seeley, PhD
Professor of Surgery
Director, Michigan Nutrition Obesity Research Center

Oliver A. Varban, MD
Interim Division Chief, Minimally Invasive Surgery
Associate Professor, General Surgery
Director, Bariatric Surgery Program

Weizhen Zhang, MD, PhD
Research Professor, General Surgery