Jean M. Twenge, Professor of Psychology at San Diego State University, is the author of more than 90 scientific publications and the books "The Impatient Woman’s Guide to Getting Pregnant," "The Narcissism Epidemic: Living in the Age of Entitlement" (co-authored with W. Keith Campbell), and "Generation Me: Why Today’s Young Americans Are More Confident, Assertive, Entitled — and More Miserable Than Ever Before." She holds a BA and MA from the University of Chicago and a Ph.D. from the University of Michigan. She lives in San Diego, California, with her husband and children.