William A. Aniskovich, M.A., J.D. joined the Institute in 1995 and has been the CEO of Stonington Behavioral Health, Inc. since June 2004.
Bill has led the significant growth in Stonington’s inpatient and partial hospital programs for adults, and the establishment of adolescent services in 1999. Bill directed the creation and expansion of a community sober house program for adults with substance abuse and co-occurring disorders and then led the successful federal court litigation that protects the rights of persons with mental illness and substance abuse disorders under the Federal Fair Housing Act and the Americans With Disabilities Act (CHMC v. City of New London, et. al). Most recently, he directed the successful effort to create a TRICARE®-certified, co-occurring ready, residential trauma program for active duty service men and women at the North Stonington campus.
Bill received his BA from The Catholic University of America in Washington, D.C. and earned his masters and law degree at the University of Virginia in Charlottesville, VA. He was a state Senator in the Connecticut General Assembly from 1990 to 2004, finishing his career as the Senate Minority Leader Pro Tempore. Bill is a member and former chair of the Eastern Service Network, a provider network of community-based substance abuse and mental health providers in eastern Connecticut. He is also a member of the Connecticut Department of Mental Health and Addiction Services (DMHAS) “Integrated Service System” planning process. In 2004, Bill was appointed by the Health and Human Services Secretary Tommy Thompson to the SAMHSA Mental Health Services National Advisory Council in Washington, D.C. Bill has received numerous awards for his legislative and professional advocacy on behalf of persons with mental illness and substance abuse disorders.

She is a Registered Health Information Administrator (RHIA) and values the balance of patients’ privacy rights and the confidentiality of health information with legitimate uses of data and the quality of health information as evidenced by its accuracy, consistency, validity and impact on the quality of healthcare delivery.


Andrea began her career at Stonington in 2001 as an Intake Coordinator in the Adolescent RTC Program. She became the Director of Admissions in 2004, with responsibility for intake operations for all civilian programs. She oversees the Assessment & Call Center, and manages the day-to-day intake process.

Rich received his B.S. in Law Enforcement and a Master’s Degree in Criminal Justice Administration from Western New England College. When not working, Rich is active in his community as a youth sports coach in soccer, baseball and basketball.

Donna has earned a Bachelor’s Degree in Psychology and a second Bachelor’s in Chemical Dependency from Rhode Island College in Providence, Rhode Island and a Master’s Degree in Agency Counseling and Addiction also from Rhode Island College.
Donna has served as Director of a 33-bed residential facility, has extensive clinical history specializing in supervision, assessment and crisis intervention. Donna’s work experience includes private practice specializing in addiction and mental health.

Over her 15+ year career which has encompassed a variety of clinical leadership positions, working within companies in clinical roles serving adolescents and adults within residential, Drug Court, School System, Department of Children and Families and outpatient programs where she has advanced numerous initiatives with the best interest of patients and the staff she serves. She began her career as a counselor, later becoming Clinical Director of Phoenix House Springfield Center, then advancing to her current role as an Assistant Vice President of Clinical Services for PHNE

Understanding the critical role that staff training plays in delivering superior care, William places a high value on educating and empowering the team. He has been instrumental in providing clinical supervision, guiding staff members to develop their skills and enhance their professional growth. His dedication to fostering a knowledgeable and compassionate workforce ensures that clients receive the best possible care. William’s remarkable ability to connect with clients stems from his ongoing participation in the hands-on work required for their recovery. By remaining actively involved in their treatment processes, he fosters a deep sense of trust and understanding, creating an environment where clients feel genuinely supported and motivated to achieve lasting change.

Stonington Institute’s professional staff are here to help. Call 800-832-1022 or 860-535-1010 and select option 1 for a level of care screening that gathers demographic, insurance and clinical information needed by the assessment team. If you need immediate mental health assistance, contact 988 or seek the nearest emergency room.