Michael D. Clark, MSW, has served as a probation officer and magistrate in Lansing, Michigan. He is a member of the Motivational Interviewing Network of Trainers (MINT) and is the director of the Center for Strength- Based Strategies, a technical assistance group that offers training in Motivational Interviewing to the corrections, addictions, and mental health disciplines. Mr. Clark has recently served as a contractual consultant to the United Nations Office on Drugs and Crime in Vienna, Austria, and is coauthor of the book Motivational Interviewing with Offenders: Engagement, Rehabilitation, and Reentry, published in 2017 by Guilford Press.