Todd F. Lewis is an Associate Professor of Counseling and Counselor Education at North Dakota State University. He is a Licensed Professional Counselor and a National Certified Counselor. Dr. Lewis is past Treasurer and President of the International Association of Addictions and Offender Counselors (IAAOC), a subdivision of the American Counseling Association and previously served as the IAAOC representative on the Governing Council of the American Counseling Association. Throughout his career, he has taught graduate level students in motivational interviewing (MI), behavior change, assessment, diagnosis, and treatment planning. Dr. Lewis has presented on these topics at numerous local, state, national, and international venues. He has published numerous research articles related to behavior change, substance abuse, collegiate drinking, and theoretical approaches to addictions treatment and MI. He has twice received the Exemplary Research Award from IAAOC for his research. In 2014, he published his first textbook entitled, Substance Abuse and Addiction Treatment: Practical Application of Counseling Theory, published by Pearson Education. He has been a member of the Motivational Interviewing Network of Trainers (MINT) since 2012 and regularly teaches and conducts courses and workshops teaching and modeling beginning and advanced MI. Dr. Lewis has been active on research teams that have secured both internal and external funding for his work. In addition to his full time faculty work, Dr. Lewis has garnered significant clinical experience where he has coordinated substance abuse clinical research and treatment services with clients struggling with a range of substance use problems.