Heather Turgeon is a psychotherapist and author. Her work has appeared in The New York Times and The Washington Post, among other publications. Turgeon runs parenting groups and works with families in her clinical practice in Los Angeles. She has two (well-rested) elementary- and middle-school-age kids.Julie Wright is one of Los Angeles’s best-known parenting-group leaders, and has taught thousands of mothers in her popular Wright Mommy and Me groups. She trained at Cedars-Sinai Early Childhood Center and co-founded a program for parents and babies from zero to three at the Los Angeles Child Guidance Clinic.Daniel J. Siegel, MD, received his medical degree from Harvard University and completed his postgraduate medical education at UCLA, where he is currently a clinical professor. He is the executive director of the Mindsight Institute, and the author of numerous books, including the bestsellers Mindsight and Brainstorm, as well as No-Drama Discipline and The Whole-Brain Child (co-authored with Tina Payne Bryson). He lives in Los Angeles with his wife and occasionally with his launched adolescents.