Carrie Wilkens, PhD, is the Co-Founder and Clinical Director of the Center for Motivation and Change in NYC and in the Berkshires. She co-authored an award-winning book, Beyond Addiction: How Science and Kindness Help People Change with Drs. Foote and Kosanke. Together they also contributed to a user-friendly workbook for parents: The 20 Minute Guide: A Guide for Parents about How to Help their Child Change their Substance Use. From the Center for Motivation & Change website