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Origins Executive Leadership

Jim Caldwell, JD – Chief Executive Officer

For the last 30 years, Jim has worked closely with the Rowling family as an integral part of TRT Holdings, Inc., the parent company of Origins Behavioral HealthCare. During his tenure with TRT Holdings, he has served in several leadership roles, including chief executive officer and president of Omni Hotels and Resorts for more than 15 years and president of TRT Holdings for over 12 years.

Jim graduated from The University of Texas Austin with the highest honors and a bachelor’s in accounting. He earned his doctorate of law with honors from The University of Texas School of Law. Jim is passionate about businesses that positively impact peoples’ lives and is excited to lead a team that helps patients and their families recover from the hopelessness of addiction.

Dr. John Dyben, DHSc, MCAP, CMHP – Chief Clinical Officer

With his multi-faceted experience and leadership in the substance use disorder treatment field, John’s varied skill set includes pastor, counselor, clinical manager, teacher, and respected expert. As a chief clinical officer, John provides supervisory and clinical oversight to all Origins Behavioral HealthCare’s programs. John continually builds upon his academic expertise through research and nationwide speaking engagements on addiction, spirituality, and related topics.

John holds a bachelor’s in psychology, a master’s in conflict management, a master’s in management, and a doctorate in health science. He has completed postgraduate studies in psychology, philosophy, and religion. John is a Master Certified Addictions Professional, a Certified Mental Health Professional in Florida, an Internationally Certified Alcohol and Drug Counselor, and a Substance Abuse Professional. John is also a musician, a writer, and a private pilot, and he enjoys spending time with his family.


Deb Kuzmin, LCSW – Executive Director of Hanley Center

Since 1996, Deb has dedicated her entire career to studying and treating substance use and mental health issues affecting people of all ages. She is a Certified Addiction Specialist who has worked as a crisis hotline volunteer, discharge planner, therapist, director of case management, clinical supervisor, and clinical director.

Deb received her master’s in social work from Simmons College and trained at The Harvard School of Medicine’s Division on Addiction. Deb served as substance use director at one of Florida’s largest behavioral health agencies before joining Origins.


Scott Vandenburg, MA, MBA LPC, LCDC – Executive Director

Scott VandenburgScott has been a dedicated member of the Origins team since 2014, and in his current role, oversees all programs in South Padre Island. He is a Licensed Professional Counselor, a Licensed Chemical Dependency Counselor, a Certified Anger Resolution Therapist, and a Certified Six Sigma Black Belt. Scott is passionate about both 12-Step philosophies and the treatment model of Origins, as these principles have been an integral part of his personal recovery from addiction and alcoholism.
From Boise State University, Scott holds both a bachelor’s in sociology and an MBA. From Hazelden Betty Ford Graduate School of Addiction Studies, he holds a master’s in addiction studies. Working in treatment is a departure from his previous career. Still, Scott is convinced that helping others recover from a seemingly hopeless state of mind and body is his ultimate purpose in life.

Dr. Raju Mangrola, MD – Chief Psychiatrist

Dr. Mangrola is a Board Certified Psychiatrist who has been in private practice for over 25 years. He is board certified in General Psychiatry, Addiction Psychiatry, Forensic Psychiatry and Psychosomatic Medicine, and is also a Diplomate of the American Board of Addiction Medicine.

Dr. Mangrola has worked in various prestigious programs as Medical Director where he served the needs of individuals with addiction and various psychiatric issues. Through his extensive work with addictive and co-occurring disorders, he brings a wealth of knowledge in evaluation and treatment. He has also been active in speaking forums addressing the issues related to addiction and the opiate crisis.

Rick Hubbard – Executive Vice President of Professional Relations

Rick began working in the addiction treatment industry in 2002 and has significant experience in multiple aspects of treatment administration, including admissions, utilization review, marketing, referral relations, and business development. He currently serves as a board member for the National Association of Addiction Treatment Providers, C4 Recovery Solutions, and the Dallas-Fort Worth Behavioral Health Symposium. Rick became a Licensed Chemical Dependency Counselor Intern in 2013 and has received training as an interventionist in several models of structured family intervention.

Rick also brings a strong background in finance and real estate, which includes many years ‎as an executive in commercial banking and real estate lending for one of Texas’s largest independent bank holding companies. Rick is a member of the Texas Association of Addiction Professionals and the National Association for Alcoholism and Drug Abuse Counselors.

Brad Sylvain, MPA, CAP – Senior Vice President of Revenue and Growth

Brad brings nearly a decade of mental health and substance use disorder treatment experience to his role. Brad is skilled at managing and collaborating with organizational teams and providing administrative and operational oversight. He holds a master’s in public administration and is a Certified Addiction Professional.

Brad and his family have been personally affected by drug and alcohol addiction, and he is passionate about helping others who have also been affected by this disease. He lives by the driving forces of spirituality and the 12-Steps. Brad also enjoys spending time with his family, watching football, playing golf, and barbequing with skill and artistry.


Kacy DeSilva, MS – Vice President of Marketing & Alumni

Kacy has been with Origins since 2012 and part of the marketing and alumni departments for over six years. She is passionate about sharing Origins’ message of hope with prospective patients, alumni, and their families through digital marketing, alumni events, and strategic communications.

She graduated summa cum laude with a bachelor’s degree from the University of Texas at Austin and holds a master’s in rehabilitation counseling from the University of North Texas. Since 2009, Kacy has been an active member of the recovery community, leveraging the principles she’s gained through her journey to guide her management style. In her spare time, she writes books for young adults and spends time with her husband and family.

Ali Halabi – Corporate Director of Finance

Ali oversees all activities of the corporate finance department, reports directly to the CEO, and provides financial management and support to the business, advancing Origins’ overall financial goals and objectives. Very detail-oriented, he embraces challenges and quickly verifies, analyzes, and manages financial data. Born in Long Island, NY, and raised in Orlando, Ali is one of five kids.

He graduated from the University of South Florida with a bachelor’s in accounting. He started his career in hospitality finance with Omni Hotels and Resorts, traveling throughout North America for several years. Ali enjoys working with the various departments and is proud to assist them in meeting the Origins’ financial objectives as it treats patients’ mental, physical and spiritual health. In his spare time, Ali loves playing tennis, running half marathons, and enjoying panoramic views of downtown Dallas from rooftop terraces.