Dr. Crystal Collier, PhD, LPC-S, is a therapist, prevention researcher, educator, and person in long-term recovery who specializes in adolescent brain development, prevention programming, addiction, family-of-origin work, and parent coaching. She is the author of the award-winning NeuroWhereAbouts series, including The NeuroWhereAbouts Guide for Parents, Your Moves Matter for teens, and the Know Your Neuro: Adventures of a Growing Brain children’s series. Dr. Collier is also the founder of Know Your Neuro, Inc., a 501(c)(3) nonprofit that provides brain-based prevention and social-emotional learning programs to K–12 youth, families, and schools.