Sharon Presley, Ph.D., is a social psychologist who specializes in obedience and resistance to authority. Her dissertation on political resisters to authority was chaired by Dr. Stanley Milgram, author of Obedience to Authority. She has written and spoken extensively on this topic. Dr. Presley is the author of the forthcoming book, Standing Up to Experts and Authorities: How to Avoid Being Manipulated, Intimidated and Abused, to be published by Solomon Press in 2010. She recently retired from teaching psychology and critical thinking courses at California State University, East Bay in Hayward. She is the Executive Director of Resources for Independent Thinking, a nonprofit organization providing educational tools for independent and critical thinking.