Jeffrey P Kahn MD is a Columbia trained psychiatrist with a full professorship at New York-Presbyterian - Weill Cornell. He offers consultation, psychotherapy, and psychopharmacology services in Westchester (Scarsdale) and Manhattan (Upper West Side). His expertise includes relationship, marriage, work, career, and school issues, as well as mood, depression, phobia, panic and social anxiety, OCD, psychosis, schizophrenia, and bipolar. He also specializes in heart disease, behavior in organizations, distressed executives, management, leadership, and psychiatric problems from an evolutionary perspective.