Ximena Sanchez Samper

Medical Director – Ximena Sanchez-Samper, MD

Medical Director of Spring Hill, Ximena Sanchez-Samper, MD is a Board Certified addiction psychiatrist. Dr. Sanchez-Samper trained at the Mayo Clinic in Rochester, MN and completed her addictions fellowship through Massachusetts General Hospital in 2004. After working with adolescents and young adults (and their families) with substance use disorders at Children’s Hospital Boston for many years, she transferred to McLean Hospital where she was the Medical Director at one of one of their residential programs.

Dr. Sanchez-Samper is an advocate of incorporating Medication-Assisted Treatment (MAT) into the comprehensive care of patients struggling with alcohol and opioid use disorders and has been prescribing Buprenorphine (Suboxone) since obtaining her waiver in 2003. She co-authored both a book chapter (“Opioid Use by Adolescents,” Handbook of Office-Based Buprenorphine Treatment of Opioid Dependence, 2011) and published an article in a peer review journal (“Adolescent Substance Abuse”, General Considerations, Pediatrics in Review, 2009) addressing the needs of patients struggling with addiction and its aftermath. Dr. Sanchez-Samper is an instructor at Harvard Medical School and enjoys lecturing nationwide on substance use disorder identification, diagnosis, and treatment.

Program Director – Sharon Ploss, LCSW

Sharon obtained her Master’s in Social Work from Wheelock College and is a License Certified Social Worker, LCSW. Prior to joining Spring Hill Treatment Center, she served as Program Director at Spectrum’s New England Recovery Center Program and The Charles J. Faris Recovery Center which provided an array of treatment for those in early recovery both with commercial insurance and Mass Health products. Additionally, Sharon was Division Director with the Bridge of Central MA where she oversaw multiple programs that provided services to help adults struggling with mental health needs live within the community successfully. Preceding Sharon’s managerial roles, she has served extensively within the clinical field as an emergency mobile psychiatric clinician, behavioral and family engagement therapist, clinician who provided treatment with adults experiencing persistent mental illness. Outside of work, Sharon enjoys cooking, exploring new places, and spending time with her family.

Director of Operations – Robin McRae

As Director of Operations for Spring Hill, Robin McRae oversees the day to day operations of housekeeping, maintenance, transportation and nutritional services. Robin began her career as a graduate from the Massachusetts Municipal Police Academy in 1995. She spent several years working as a Police Office for the local municipalities before retiring. Robin then worked several years in the hospital setting managing patient admissions and discharges. Robin has also spent more than 15 years in the Ambulatory Primary Care setting in not for profit community health centers working as the Applications and Data Manager overseeing Federal and State grants, the implementation and support of Electronic Health records, data analysis and the informatics team.



Director of Nursing – Joani Desnoyers, RN
Director of Operations – Robin McRae
Director of Admissions – Cynthia Kelly, LADC
Primary Therapist – Thomas J. Thelin
Primary Therapist – James S. Direda, LICSW, PhD
Primary Therapist – Melanie Zibit, MA.Ed, LADC 1
Primary Therapist – Liz Beach, MS, LADC 1
Case Manager – Kathy Wise