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Residency Leadership

Photo of Demetrius Litwin, MD

Demetrius Litwin, MD, MBA

Demetrius E.M. Litwin, MD, MBA, is the Harry M. Haidak Distinguished Professor and Chairman of the University of Massachusetts Department of Surgery. He completed his General Surgery Residency at the University of Saskatchewan. He also completed a Surgical Endoscopy Fellowship at Toronto General Hospital as well as a Fellowship in Liver, Pancreas, and Biliary Tract Surgery at the University of Toronto. He arrived to the University of Massachusetts in 1997, rising to the rank of Professor of Surgery in 2002, the same year he was awarded his MBA. In 2002, he was appointed as the Chief of the Division of General, a position he held until he was appointed as Chairman of Surgery in 2004.

Anne C. Larkin, MD

Photo of Anne C. Larkin, MD

Anne C. Larkin, MD serves as the Vice Chair for Education in the Department of Surgery as well as the Interim Senior Associate Dean of Educational Affairs for the University of Massachusetts Medical School. She completed her General Surgery Residency at Columbia-Presbyterian Medical Center and is an expert in breast oncology, authoring numerous papers and currently the site PI for the ECOG-ACRIN Cancer Research Group E4112 study evaluating MRI and multiparameter gene expression assay in DCIS. With her passion for Surgical Education, Dr. Larkin previously served as the Program Director for the General Surgery Residency (2004-2016) and has been instrumental in curriculum development for the residency and the medical school.  In addition to her substantial educational contributions to the institution, she has held key leadership positions in both the MA Chapter of the American College of Surgeons and the New England Surgical Society.  At a national level, she sits on the Board of Directors for the Association of Program Directors in Surgery. 


Photo of Jennifer LaFemina, MD, FACSJennifer LaFemina, MD

Jennifer LaFemina, MD, FACS, serves as the Program Director of the General Surgery Residency program. She is a surgical oncologist with a focus on skin and soft tissue diseases including breast cancer and melanoma. Her research interests involve evaluation of outcomes in surgical oncology patients and evaluation of new paradigms for chemoprevention and screening in high risk cohorts. She is passionate about surgical education, assuming the position of Program Director after serving as an Associate Program Director as well as the Surgical Oncology Rotation director. She arrived to UMMHC in 2012 after completing her General Surgery residency at the Massachusetts General Hospital and her surgical oncology fellowship at Memorial Sloan-Kettering Cancer Center.

Ulises Torres, MD, MEHP

Photo of Ulises Torres, MD

Ulises Torres, MD, serves as the Director of Trauma Surgery Education and Associate Director of the General Surgery Residency at the University of Massachusetts Medical Center. His focus is towards medical students rotating in surgery and surgical critical care, as well as the residents in the three specialties that we offer, General Surgery Residency, Integrated Vascular Residency, and Integrated Plastics Residency. He plays an integral part of nursing trauma education and acute care nursing education for the graduate school of nursing. He arrived at UMMHC after completing his General Surgery residency at Monmouth Medical Center in NJ, his Trauma & Critical Care fellowship at Hartford Hospital - University of Connecticut. and his Master of Education in the Health Professions (MEHP) at Johns Hopkins University.


Photo of Jennifer Davids, MDJennifer Davids, MD

Jennifer Davids, MD, FACS, FASCRS, serves as Associate Program Director of the General Surgery Residency.  She is a colon & rectal surgeon with a specific focus on minimally invasive techniques for both benign and malignant disease.  Her research interests include quality improvement and outcomes in colorectal cancer, surgical education and simulation, and the impact of pregnancy and maternity on female physicians.   She plays an active role in mentoring and medical student education at UMass.  She is involved in ASCRS societies and is President of the Massachusetts Chapter of the Association of Women Surgeons.  She joined the staff of UMMHC in 2013 after completing her residency at Brigham and Women’s Hospital in Boston and fellowship in Colorectal Surgery at UMass.