Charles F. Mundhenk, Ph.D.

Charles F. Mundhenk, Ph.D. is a licensed psychologist with over 35 years  of experience providing psychotherapy to adults and couples. He has  extensive experience with marital issues, has been a co-presenter of a  monthly.  psycho-educational program for divorcing parents with dependent  children. He is also trained in Divorce Mediation and has been trained as a Coach in  Collaborative Law. Other areas of  specialization include adult ADD, alcohol abuse issues as it affects  families and individuals.  He can be reached at 781-383-0860 ext.2 or at

Selma Ingber, LICSW

Selma Ingber, LICSW, is a clinical social worker with over 40 years of  experience providing psychotherapy for individuals, couples and  families. Selma has been in private practice in Cohasset for over 30  years. Ms. Ingber has been a certified parent education provider for  the Probate Court, co-presenting monthly classes in Hanover for divorcing parents of minor children. In addition to a  general psychotherapy practice, she offers parents support and guidance  regarding a broad range of child and adolescent developmental, emotional  and behavioral issues. Ms. Ingber also has a specialty in management of anxiety and stress utilizing hypnosis and relaxation techniques.

David Shumaker, Ph.D.

David Shumaker, Ph.D. is a licensed psychologist who has been with  MarVista since 2004. He has a diverse practice, seeing adults, couples,  children and adolescents. David earned a BA from Harvard University, a  Ph.D. in clinical-community psychology from the University of South  Carolina, and two advanced post-doctoral degrees in pediatric forensic  psychology from Harvard medical School/Mass. General Hospital. In  addition to his private practice, David is an assistant professor in the  Education and Human Services Department at Suffolk University where he  trains masters-level students in counseling. He is the co-author of two  books, the most recent titled “Kids of Character” published by  Praeger/Greenwood Publishing.  Dr. Shumaker can be reached at 781-974-8988 or

Ann Callanan, LMHC

Ann Callanan, M.A., L.M.H.C. is a licensed mental health counselor with  over 20 years of experience providing individual, couples and group  psychotherapy to older adolescents and adults. Ann has a special  interest in couples issues, divorce, separation, adult children of  alcoholics, mood disorders, health, wellness and stress management. Ann  is a licensed wellness coach. Ann’s therapeutic style is eclectic,  cognitive, behavioral, psychodynamic, psycho-educational coaching,  adapted to meet clients’ needs.

Robert S. Williams Jr., Ed.D

Robert Williams has been a Licensed Psychologist since 1982. Currently,  in addition to general practice, he specializes in the treatment of  psychoactive substance use disorders, holding the APA-CPP, as well as  LADC I. He has special interest in the co-morbidity between trauma and  addiction. For approximately a decade, he volunteered with the American  Red Cross as a Disaster Mental Health Specialist, and among other  crises, was active in the aftermath of 911 in Boston and then New York.  Locally, he served as Assistant Officer during the Worcester Cold  Storage Fire in 1999. For more than a decade he was a Psychologist for  the Region I DMORT Team, under the Department of Homeland Security, and  Health and Human Services. Under that department he was dispatched as  the Mental Health Team Leader for a two week period with the “Katrina  Assistance Project” at a shelter in Monroe, Louisiana under SAMSHA. With  10 years of State service he retired in 2005 after serving as  Psychologist II with UMass Medical School, now maintaining a private  practice.

Dawn M. Capelli, LICSW

Dawn M. Capelli, LICSW, is a clinical social worker with over 25 years  of experience providing psychotherapy for individuals and families. She  works with children, adolescents and parents who are adjusting to life  changes and challenges. She is certified in the DIR (Developmental,  Individual Difference, Relationship based) Model, which is an approach  tailored to the unique strengths and needs of children with  developmental disabilities, including autism spectrum disorders. She  also has expertise in trauma, anxiety and depression and is trained in  EMDR.


Michelle Snyder, LICSW

Michelle Snyder is a Licensed Independent Clinical Social Worker with special  interest in working with  adolescents. Michelle is currently a a School Adjustment Counselor at a local high school.  She has worked in the community as both an Intensive Care  Coordinator and an In-Home Family Therapist, tackling issues around  difficult family dynamics, trauma, and challenging behaviors.  Michelle employs a style combining Cognitive Behavioral Therapy and  Solution Focused Therapy.  Michelle believes that a team approach and  collaboration improves one’s mental and physical well-being. She earned a  Bachelor’s degree in Psychology from Trinity College in Connecticut and  a Master’s degree in Clinical Social Work from Boston College.  Michelle can be reached at 781-923-0508 or

Frieda Sullivan, LMHC

Frieda Sullivan, LMHC, is a licensed mental health counselor with 20  years of experience providing psychotherapy to adults who suffer from anxiety and depression. She has a special interest in treating trauma,  using EMDR to ameliorate the symptoms caused by trauma, either recent or from early childhood, both large and seemingly small. In  addition, Frieda uses various techniques such as cognitive behavioral  therapy, expressive therapy, meditation and mindfulness. Frieda has a  deep respect for the relationship between client and therapist and for the client’s natural urge towards healing. She also employees Yogic breathing for depression and anxiety.  Frieda has offices in Cohasset and  Boston and can be reached at 617-913-9634 or at