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Gateway Leadership

Board of Directors

Gateway Foundation Alcohol & Drug Treatment is governed by a Board of Directors whose distinguished members are visionary leaders recruited from corporate, government and social service agencies. The group leverages their experience in all phases of operations for the betterment of the individuals that Gateway Foundation serves.


Executive Leadership

Gateway's executive management is a team of seasoned professionals with in-depth experience in substance abuse treatment and in their respective field.

Dr. Thomas P. Britton
President and CEO

Dr. Thomas P. BrittonDr. Thomas Britton began his career in behavioral health as a counselor where he developed a passion for effectively treating individuals with co-occurring substance use and mental health disorders. For more than twenty years, Dr. Britton has been dedicated to helping others through various roles as a therapist, crisis worker, educator, Clinical Supervisor, Executive Director and most recently President for a division of Acadia Health Care.

Dr. Britton believes strongly in the power of recovery, so much that in 2006, he founded a North Carolina organization that advocates for treatment for those without resources. His devotion to the field and a commitment to learning led him to earn a Master's Degree in both Addiction and Marriage and Family Therapy from Appalachian State University in Boone, NC. Understanding the importance of strong leadership skills, Dr. Britton went on to earn a Doctorate in Public Health, Executive Management from Gillings School of Global Health at University of North Carolina, Chapel Hill, NC.

Dr. Britton has aligned his personal mission to help others with his life's work. From his early days as a clinician, to his present leadership role, his focus remains on helping individuals and their families get their lives back on track.

Dr. Britton earned his Bachelor of Arts degree in Psychology and Sociology from the University of Connecticut in Storrs, CT.

Gateway Foundation Executive Management Team:

  • Susan Cambria, Vice President, Community Services Division, 2016
  • Gregg Dockins, Vice President, Corrections Division, 2013
  • Jodi Levine, Vice President, Business Development & Strategy, 2015
  • Dan Molitor, Vice President, Information Services, 1998
  • Martha Yount, Vice President, Human Resources, 1994

Gateway's executive management has established a culture where best practices are sought out and adopted for treatment programs, individuals and their families are treated with dignity and compassion and employees are encouraged to grow both personally and professionally.

Dr. John Larson
Corporate Medical Director

Dr. John LarsonIn his role as Corporate Medical Director, Dr. Larson oversees medical practices at Gateway Foundation's network of treatment centers located throughout Illinois and in the St. Louis Metro East area. He collaborates with physicians to ensure the evidence-based treatment therapies meet the highest standards in substance abuse treatment and behavioral health care. He also serves on the organization's Corporate Quality Council, which provides ongoing monitoring of medical standards and assures compliance with licensing and accreditation standards.

With more than 40 years of professional experience in the addiction and behavioral health fields, Dr. Larson has served as Medical Director for Outpatient Addiction Programs at Resurrection Behavioral Health in Downers Grove, IL, and Rush University Behavioral Health in Chicago. A recognized expert in the field, Dr. Larson was an Assistant Professor of Psychiatry at Rush Medical College for more than 15 years. He also previously consulted at eQHealth Solutions of Illinois, providing utilization review to assist the Illinois Department of Healthcare and Family Services.

Dr. Larson earned his Bachelor of Science at Utah State University in Logan, UT, and his Medical degree at University of Utah in Salt Lake City, UT. He completed his residency at University of Utah Hospital and Naval Regional Medical Center in Oakland, CA. He also held the position of Director, Consultation-Liaison Service while serving in the United States Navy.


Executive Director Team

The main focus of each Executive Director at Gateway Treatment Centers is to ensure that the best possible customer service and client care is experienced by individuals in treatment, as well as by their families. Gateway's Executive Directors are tenured in many aspects of substance abuse treatment, enabling their employees to develop innovative programs that adapt to the needs of the individuals they serve.