Michael O'Brien, CADC II, NCAC I, is a seasoned substance use disorder professional with eighteen years of experience who has helped thousands of clients and earned eight state and national substance abuse credentials. He is the author of "Addiction Private Practice: The Definitive Guide for Addiction Counselors and Therapists," a comprehensive resource offering valuable insights and practical advice for professionals seeking to serve substance use disorder clients in private practice. Michael also publishes AddictionPrivatePractice.com, the leading resource for supporting addiction counselors and therapists with tools, resources, and guidance to enhance their practice and better serve their clients.