A lawyer and political scientist, Professor Horton teaches the course Modern Political Economy. A member of the Columbia Business School faculty since 1970, he served two years while on leave from the School as Executive Director of the Temporary Commission on City Finances during the New York City fiscal crisis, and later served 15 years as Director of Research and President of the Citizens Budget Commission. His publications on municipal finance and management include 14 books, numerous journal articles and policy studies. In 1983, he founded the Public and Nonprofit Management Program at the School. In 1998, that program morphed into the Social Enterprise Program, which Horton directed until 2009. In 2009, he was named Faculty Director of Social Enterprise programs in the School's Executive Education division. As part of his executive education responsibilities, Professor Horton directs custom programs for the Center for Curatorial Leadership and the King Khalid Foundation.