Steven M. Lipkin, M.D., Ph.D., is Professor of Medicine, Director of the Weill-Cornell Program in Mendelian Genetics, Director of the Adult and Cancer Genetics Clinic and Vice Chair for Basic and Translational Research in the Department of Medicine.  Dr. Lipkin is a board-certified Medical Geneticist with a focus on genetic testing for gastrointestinal diseases, including the Lynch Syndrome, Familial Adenomatous Polyposis, Hemochromatosis and Hereditary Pancreatic Cancer among others. He is an authority on cancer genetic syndromes, with a particular emphasis on hereditary Gastrointestinal cancer syndromes. He is the author of MAPP-MMR, a bioinformatics program that is used to interpret whether Lynch syndrome missense variants are deleterious mutations or benign polymorphisms. He practices at Weill Cornell Medicine and New York-Presbyterian Hospital. He trained in Internal Medicine at Duke University and Medical Genetics at the National Human Genome Research Institute.