Ken Croitoru

Dr. Kenneth Croitoru is a Clinician Scientist and Staff Gastroenterologist in the Division of Gastroenterology at Mt Sinai Hospital. He completed medical school at McGill University in 1981 and internal medicine and gastroenterology from 1982-1986 at McGill. After post-doctoral training as an MRC Research Fellow in Mucosal Immunology with Dr. John Bienenstock at McMaster University he joined the Division of Gastroenterology at McMaster in 1992, serving as Training Program Director and Associate Director of the Division. He joined the Department of Medicine at Mt Sinai Hospital as a Clinician Scientist and Professor of Medicine November 2007.

His research program focuses on the fundamental mechanisms of intestinal inflammation, focusing on T cell effector and regulatory function in the intestinal mucosal. The goal of this work is to understand how T cells function to maintain intestinal homeostasis in health and what defects in regulatory T cells allow for the breakdown of these mechanisms.

Dr. Croitoru is also Project Leader of, a multicentered prospective cohort study of subjects at risk of developing Crohn’s disease. This project is called the GEM project and will be coordinated out of the IBD Research Group at Mt Sinai Hospital. This study will look at the Genetic, Environmental and Microbial factors that lead to Cohn’s disease. Dr. Croitoru’s research program has received funding from the CIHR, Canadian Association of Gastroenterology and the Crohn’s and Colitis Foundation of Canada.

He held a Ministry of Health Career Scientist award for 10 years and more recently was awarded a CCFC IBD Research Scientist Award. He currently serves at the Chair of the CCFC IBD Research Institute. Dr. Croitoru has achieved both national and international recognition for his IBD research. He has served on review committees for the CIHR, Canadian Association of Gastroenterology and the NIH and is on the editorial board of the IBD journal.