Holcomb Behavioral Health Systems

Terence G. Blackwell, Jr., BCBA
President and Chief Executive OfficerTerence G. Blackwell

Mr. Blackwell joins the Chimes Family of Services as our President and Chief Executive Officer. He brings more than two decades of diverse leadership experience serving the needs of people with disabilities to his new role with Chimes. Most recently, he served as Chief Operating Officer of Manhattan-based Services for the Underserved (SUS), providing services to people with intellectual disabilities, behavioral health, mental health, and substance abuse issues as well as veterans’ services in a variety of coordinated and integrated care models

In addition to earning his M.S. in Psychological Services from the University of Pennsylvania, including attendance at the Wharton School, Terence is a Licensed School Principal, Board Certified Behavior Analyst, and Certified Addictions Specialist. He earned his B.S. in Psychology from Saint Peter’s University.

Mr. Blackwell’s career history has ranged from serving as a Direct Care Counselor for a large community-based residence to leading the development and operation of preschool programs for children with disabilities under the authority of the New York State Educational Department. He also launched his own consulting practice for not for profits and government-funded agencies and led program expansion and business development efforts for a large not for profit that provides job opportunities for people with barriers to independent employment.

Roger Osmun, Ph.D.
Chief Operating Officer, Holcomb Behavioral Health Systems

Bill DiFabio Roger Osmun, Ph.D. has worked for Holcomb Behavioral Health Systems since 1996, initially in the role as Clinical Director and then as Chief Clinical Officer. Dr. Osmun received his degree in clinical psychology from Temple University and interned at Temple University Hospital. He is licensed as a psychologist in Pennsylvania, Delaware and Maryland. In 2005, Dr. Osmun developed a pre-doctoral psychology internship program which draws nationwide applicants, which became accredited with the American Psychological Association in 2016. His areas of specialization and clinical interest include child/adolescent treatment, family therapy, co-occurring disorders and use of evidence-based practices. Dr. Osmun is adjunct faculty at Immaculata University and Philadelphia College of Osteopathic Medicine.