Gateway Foundation Leadership

Board of Directors

Gateway Foundation, Inc. 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.

Susan Cambria
Division President, Community Services

Susan CambriaMs. Cambria joined Gateway in 2016 with more than 25 years of experience in leading behavioral healthcare programs. Her role at Gateway is to maintain and improve Gateway's legacy combining compassionate mission-based services with cutting edge practices.

Most recently, Ms. Cambria was the Start-Up CEO for the northeastern-based Recovery Centers of America, a startup substance use disorder treatment company, where she directed the development and execution of all systems and processes to launch the company.

She's also held leadership and consulting roles at various substance abuse treatment and healthcare-related organizations.

Ms. Cambria earned her MS in Family and Child Development/Counseling from Kansas State University. She received a BS in Psychology from Fairfield University in Fairfield, CT.

Tomas Del Rio
Chief Financial Officer

Tomas Del RioMr. Del Rio has more than 25 years of financial leadership experience in both for-profit and not-for profit healthcare settings. Most recently, he was the Chief Financial Officer for Acacia Network, a New York based non-profit organization that provides healthcare, housing, and other support services for the Latino population.



Gregg Dockins
Division President, Corrections

Gregg DockinsMr. Dockins oversees Gateway's correctional treatment services, with programs currently located in Missouri, New Jersey, Texas and Wyoming. In this role since 2013, he ensures quality of care to clients; coordinates staff recruitment and development initiatives; maintains program licensing and accreditation standards; provides financial management; and, develops and implements growth strategies for new business opportunities.

He joined Gateway in April, 2000 as the Program Director of Gateway's community-based residential and outpatient facility in Dallas, Texas. In 2005, he moved to Illinois to direct the 950-bed Sheridan Correctional Center Therapeutic Community (Illinois Department of Corrections). In October, 2006, he became Director of Corrections Initiatives, responsible for the growth and expansion of correctional treatment services.

Mr. Dockins has a bachelor's degree in Psychology from Wayland Baptist University and completed graduate coursework in Sociology at the University of Texas-Arlington. He is a Certified Criminal Justice Addictions Professional (CCJP) in Illinois and Texas and has been a licensed substance abuse counselor (Texas: LCDC) since 1991.

He's co-authored manuals on chemical dependency counselor training, contributed to college textbooks and was a principal author of the Sheridan Correctional Center Integrated Standard Operating Procedure Manual for the Illinois Department of Corrections.

Dan Molitor
Vice President, Information Services

Dan MolitorMr. Molitor is responsible for strategy and operations of organization-wide data, voice and project management information systems and support. He has more than 19 years of progressive information systems-related experience.

He plans, directs, manages systems and personnel; develops, updates and secures approval of the IS Strategic plan, capital and operational budgets, IS policies and procedures; and he participates in administrative operations, including acquisitions and mergers. He is also a member of the executive management team, responsible for welfare of the agency and its interests.

Prior to joining Gateway, Mr. Molitor worked for a major not-for-profit social service organization based in Illinois. His responsibilities included voice, data, applications and support of 120 locations throughout Illinois and a $4 million information systems budget.

He has been an instructor for both Governors State University and South Suburban College in Illinois. Mr. Molitor received an MBA in Management Information Systems from Governors State University.

Dr. Roueen Rafeyan M.D.
Chief Medical Officer (CMO)

Dr. Roueen Rafeyan M.D.Dr. Rafeyan brings over 20 years of specialized experience to Gateway, having served as a medical director for psychiatric and substance use programs at leading Illinois healthcare institutions including Rush, Michael Reese, Resurrection and Presence Behavioral Health.

As CMO, Dr. Rafeyan is responsible for continuously advancing Gateway's wide array of services, upholding medical protocols, policies and procedures , as well as working closely with Gateway's team of experienced physicians/clinicians to deliver comprehensive high quality addictions, psychiatric and medical services/treatment as needed for each individual.

In addition to Dr. Rafeyan's extensive medical experience, he is also a diplomate of the American Board of Psychiatry and Neurology as well as the American Society of Addiction Medicine. He is currently on the faculty of Northwestern University and an active member of the American Medical Association, the American Psychiatry Association, the Illinois Psychiatric Society and the Illinois State Medical Society.

Patricia Sanchez-Aitken
Vice President, Human Resources

Patricia Sanchez-AitkenPatricia Sanchez-Aitken has more than 15 years of senior leadership experience in the human resources functions of both for-profit and non-profit organizations. Most recently, she was the Vice President of Human Resources for Goodwill Industries of Southeastern Wisconsin and Metro Chicago, a non-profit provider of manufacturing and social services.


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.