Born in Brooklyn New York
Collage: New York University
Medical school: New York University School of Medicine
Resident: SUNY Downstate Medical Center
Fellowship: Surgical oncology NCI Surgery Branch Bethesda Maryland

Bariatric surgery since 1994, first laparoscopic operation 1999
Director: Bariatric surgery- Group Health Cooperative Puget Sound, Redmond and Bellevue Washington 1994-2012
Medical director bariatric surgery-Sanford Medical Center, Bismarck North Dakota 2013-2015
Medical director bariatric surgery-Department of surgery, University of New Mexico 2016-Present