Gretchen Schmelzer, PhD, is a licensed psychologist, trained as a Harvard Medical School Fellow. She is a trauma survivor who has worked for twenty-five years with the complex issues of trauma, integration, and behavior change across every level, from individuals to groups to large systems and countries. She has worked with individuals and groups in large clinics and clinics in housing projects, in residential treatment facilities, in psychiatric units and medical hospital units, and in private practice. She has more than a decade of experience working with traumatized children and adolescents in residential treatment and psychiatric units. She is the founder and editor of The Trail Guide, a web-mag featured on www.gretchenschmelzer.com dedicated to healing repeated trauma.