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Colleen Marshall, MA, LMFT, has been a leader in behavioral health and behavior change service delivery and management for more than 15 years. She currently serves as a consultant for organizations that want to implement Motivational Interviewing. She is also the Author of Motivational Interviewing for Leaders in the Helping Professions: Facilitating Change in Organizations.

Colleen serves as a Member of the Board for Motivational Interviewing Network of Trainers (MINT, Inc.) which is the international organization created by the founders of Motivational Interviewing (MI) whose mission is to ensure high quality dissemination and delivery of MI. She also served as the Chair, Treasurer and Trainer of Trainers for MINT, Inc. 

Colleen has over 20 years clinical experience in behavioral healthcare and over 15 years’ experience in management of behavioral healthcare programs including holding Executive and Senior Level positions in large behavioral health organizations. She has been invited to speak at regional, national and international conferences on various topics, including Motivational Interviewing. Colleen is also a trainer and consultant for non-profit organizations. Colleen has a Master's Degree in Marriage and Family Therapy. She is a Licensed Marriage and Family Therapist and has obtained AAMFT-approved supervisor status.

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