Sean M. O'Neill

Sean M. O'Neill, MD, PhD is a Clinical Assistant Professor in the Department of Surgery at the University of Michigan Medical School. He practices at Michigan Medicine General Surgery at Chelsea Hospital and specializes in Minimally Invasive Surgery, Bariatric Surgery, and Hernia Repair.

• Education: BA in Computer Science (Harvard University, 2003), PhD in Policy Analysis (Pardee RAND Graduate School, 2011), MD (Feinberg School of Medicine, 2013)

His research focuses on healthcare delivery systems and organizational leadership to improve population health outcomes. Key areas include surgical quality improvement, policy analysis, and medical education.

Recent publications highlight work on ventral hernia repair techniques, bariatric surgery complications, and health policy impacts on surgical reporting. These span subfields like robotic surgery, continuous quality improvement, and healthcare economics.

Dr. O'Neill serves in multiple leadership roles at Chelsea Hospital, including Faculty Lead, Director of General Surgery, and Robotics Champion. He is also affiliated with the Michigan Surgical Quality Collaborative and Institute for Healthcare Policy and Innovation.