Dr. Rob MacCoun is a professor of law at Stanford Law School. For over 20 years Dr. MacCoun taught at the University California of Berkeley, both at the School of Law as well as the Goldman School of Public Policy. From 1986 to 1993 he was a behavioral scientist at The RAND Corporation and he has been a Visiting Professor at Princeton’s Woodrow Wilson School. He has published many studies on illicit drug use and drug dealing, harm reduction, and social influence processes.