Carrie WilkensCarrie Wilkens, PhD, is cofounder of the Center for Motivation and Change (CMC) and copresident of the CMC:Foundation for Change, a not-for-profit organization focused on helping families affected by substance use. She has more than twenty-five yearsof experience in evidence-based treatments for substance use and post-traumatic stress. The media regularly seek out her expertise. Read More Read Less