Sunita Sah, PhD is the national bestselling author of Defy, an award- winning professor at Cornell University and an expert in organizational psychology. She leads groundbreaking research on influence, authority, trust, compliance, and defiance. A trained physician, she practiced medicine in the United Kingdom and worked as a management consultant for the pharmaceutical industry. She currently teaches executives, leaders, and students in healthcare and business. Dr. Sah is a sought-after international speaker and consultant, advisor to government agencies, and former Commissioner of the National Commission on Forensic Science. She lives with her husband and son in New York.