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Behavioral Health Services Staff

John Zrebiec, L.I.C.S.W.

Director, Behavioral Health

College: Fairfield University
Graduate School: Boston College School of Social Work


Veterans Administration Hospital, Brockton
Family Counseling and Guidance Centers, Boston
Board Certification:

Certified Diabetes Educator
Certified Group Psychotherapist
Teaching Appointment: Lecturer in Psychiatry, Harvard Medical School
Special Interests:
Prevention of hypoglycemia, diabetes support groups,
online discussion boards for support

Deborah Butler, L.I.C.S.W.

College: Colby College
Graduate School: Boston University School of Social Work
Adcare Outpatient Services, Boston
Children's Hospital, Boston
Board Certification: Certified Diabetes Educator
Teaching Appointment: Instructor in Psychiatry, Harvard Medical School
Special Interests: Working with children, adolescents, young adults and families

Jessica T. Markowitz, Ph.D.

College: Vassar College
Graduate School: Drexel University
Internship: Southwestern Vermont Psychology Consortium
Fellowship: Joslin Diabetes Center
Special Interests: Children with diabetes, obesity




Marilyn Ritholz, Ph.D.

College: University of California, Berkeley
Graduate School:
California State University, Hayward
University of Wisconsin, Madison
University Counseling Service, Madison
McLean Hospital, Belmont
Teaching Appointment: Assistant Professor in Psychology, Harvard Medical School
Special Interests:
Adults and adolescents with diabetes,
women's support groups

Page last updated: October 27, 2016