Dan Feldman teaches as Professor of Public Management at John Jay College of Criminal Justice in the City University of New York. His sixth book, Administrative Law: The Sources and Limits of Government Agency Power (Sage/CQ Press), was published in 2016. A state legislator for 18 years, he also conducted major investigations during 16 years in high-level appointed offices. He holds degrees from Columbia College and Harvard Law School. He is a Fellow of the National Academy of Public Administration. His dissertation, now underway, defends a somewhat reconstructed version of the work of Lon L. Fuller, a leading twentieth-century legal philosopher.