NSGPF

Northeastern Society for Group Psychotherapy Foundation (NSGPF)





Our Team

Board of Directors

Barbara Keezell, LICSW, CGP, FAGPA, NSGPF President

Barbara Keezell, LICSW, CGP, FAGPA, NSGPF President

Barbara Keezell is a therapist in private practice who works with people in individual, couples, and group therapy. She has been an NSGPF Board member since 2006. She is a past President of the Northeastern Society for Group Psychotherapy, where she has also served as Conference Co-Chair and Newsletter Co-editor. She has served on the Board of the American Group Psychotherapy Association and is currently Co-Chair of their Online Institute Committee. She has led many Experience Groups to help train group therapists as she is passionate about the value of groups in healing. She loves walking, smelling the flowers, and speaking French. 


Alan Witkower, EdD, CGP, NSGPF Vice-President

Alan Witkower, EdD, CGP, NSGPF Vice-President

Alan Witkower joined the NSGPF Board in 2003. In addition to his current role, he has served as the Treasurer. Alan has been a member of the Northeastern Society for Group Psychotherapy for over 40 years. He served as Chair of the Forum Committee, as Co-Chair of the Training Committee, and he has served in the roles of Secretary and Treasurer on the Board of Directors. In his current role as Director of Behavioral Medicine at the Newton-Wellesley Hospital, he leads multiple groups for patients with chronic pain and medical conditions.


Tracy MacNab, PhD, CGP, NSGPF Treasurer

Tracy MacNab, PhD, CGP, NSGPF Treasurer

Tracy MacNab has been leading therapeutic groups since September of 1969. He has taught, supervised, and written about groups for most of the intervening years. He holds a double black belt in karate, and is a qigong practitioner and teacher. He is father of two, step-father of three, and grandfather of three.


Caleb Englander, LICSW, NSGPF Secretary

Caleb Englander joined the NSGPF Board in the role of Secretary in November 2021. Caleb has been leading therapy groups for many years in a wide range of settings and capacities: wilderness therapy, community mental health center, schools, transitional living programs, and currently as a clinical social worker with a private psychotherapy practice in Cambridge MA. He is an active member of the Northeastern Society of Group Psychotherapy (NSGP) and the Massachusetts Institute for Psychoanalysis (MIP). 


Kelley Bothe, LICSW

Kelley Bothe, LICSW

During Kelley Bothe's 35-year career as a psychotherapist, she has always valued group work because of its power to enlighten and heal. The Northeastern Society for Group Psychotherapy was an important resource for her commitment to group work and for many years she supported their work: she served on their Board, co-chaired their June Annual Conference, and co-chaired their Training Program. Kelley has been a member of the NSGPF Board for the past 12 years, and was on the Executive Committee as Secretary for six years. She appreciates the opportunity to support the Foundation's efforts to train and support those interested in leading groups. Kelley is also very engaged in the mindful practice of Focusing and enjoys teaching this mind-body method to others for both professional and personal enrichment. 


Sara Emerson, LICSW, CGP

Sara Emerson, LICSW, CGP

Sara Emerson is in private practice in Cambridge working with individuals and groups. Currently a member of the American Group Psychotherapy Association, Northeastern Society for Group Psychotherapy, and the Massachusetts Institute for Psychoanalysis, she has served as President (NSGP) and board member (AGPA and MIP). She is on the faculty at MIP, and regularly presents at NSGP and AGPA conferences. As a member of the board of NSGPF she has also taken the role of chair of the Rice Memorial Fund. In this role she is working to collaborate with other members of the NSGPF board and NSGP to design outreach and support for clinicians working with clients who have experienced domestic violence.


Steffen Fuller, PhD, CGP

Steffen Fuller, PhD, CGP 

Steffen Fuller is a neuropsychologist and therapist in private practice where he focuses on neuropsychological and personality assessment and on individual, couples, and group psychotherapy. He is a past President of the Northeastern Society for Group Psychotherapy board and has frequently presented at area conferences on subjects related to group therapy and group process in organizations.


Lise Motherwell, PhD, PsyD, CGP, FAGPA

Lise Motherwell is a past President of NSGPF and is President of the Provincetown Art Association and Museum and Vice President of the Helen Frankenthaler Foundation boards. A founding NSGPF Board member, she believes that quality training in group leadership leads to more effective outcomes for clients, organizations, and communities. She is co-author with Joseph Shay of Complex Dilemmas in Group Therapy: Pathways to Resolution. Lise is passionate about art, cooking, Italy, and word and logic puzzles.


Joseph Shay, PhD, CGP, LFAGPA

Joseph Shay, PhD, CGP, LFAGPA

Joe Shay is a psychologist in private practice and works with individuals, couples, families, and groups. He also teaches and supervises for a number of training programs as well as having served on the boards of various professional organizations, and on the editorial board of the International Journal of Group Psychotherapy. Joe especially enjoys teaching and mentoring younger professionals and has twice been awarded the Psychotherapy Supervision Award by the psychiatry residents in the Massachusetts General Hospital/McLean Hospital training program.


Adam J. Silk, MD, CGP

Adam J. Silk, MD, CGP

Adam Silk is a psychiatrist in private practice, treating individuals and groups. He is also the Executive Director of RELATE, a nonprofit organization that provides training for K–12 educators in group leadership and group dynamics. Adam has been a member of the Northeastern Society for Group Psychotherapy for many years, and has been on the NSGPF Board since 2018. He is on the faculty of Harvard Medical School at Massachusetts General Hospital, where he teaches in the Psychiatry residency program. Adam is also a musician who has performed at many venues in the Boston area.


Kathleen Ulman, Ph.D., CGP, DFAGPA

Kathleen Ulman, PhD, CGP, DFAGPA

Kathleen Ulman is on the faculty of Harvard Medical School, and on the staff of the Psychiatry Department at Massachusetts General Hospital, where she is the Director of the Center for Group Psychotherapy. For much of her professional career she has been dedicated to increasing public recognition of the value of group therapy as provided by trained group psychotherapists and to providing financial support for group psychotherapy training. She is a former Chair of the Northeastern Society for Group Psychotherapy Training Program, past President of NSGPF, NSGP and the American Group Psychotherapy Association (AGPA).


Ex Officio Board Members

Jennifer DeSouza, LICSW, CGP

Jennifer DeSouza, LICSW, CGP

Jennifer DeSouza is currently President of the Northeastern Society for Group Psychotherapy board. She is a Licensed Clinical Social Worker and Certified Group Therapist. She has a private practice in Cambridge, Massachusetts, and is on the staff of the Department of Psychiatry at Massachusetts General Hospital. In the last 10 years Jennifer has focused on training and building her group therapy skills and runs several psychodynamic process groups with trainees at the hospital. As the current President of NSGP, Jennifer is committed to maintaining access to quality training and treatment resources. In her free time, Jennifer enjoys spending time with her pugs, seeing friends, and attending concerts. 


Guy Croteau, LICSW, CGP

Guy Croteau, LICSW, CGP

Guy Croteau is currently President-elect of the Northeastern Society for Group Psychotherapy. He has served on the NSGP board for four years as Treasurer and has chaired and co-chaired the Conference Committee for 3 years. He is passionate about group work and helping NSGP bring the power of groups to more people and professions. Guy maintains a robust private practice in Boston and specializes in Trauma/EMDR work as well as working with the LGBTQA+ community.


Staff

Jennifer Voiles, MBA

Jennifer Voiles, MBA

Jen Voiles is the NSGPF Office Manager and Bookkeeper. She is an independent contractor providing financial and administrative support to various small businesses and nonprofits, as well as life skills coaching, personal assistant help, and reiki services to individuals. Jen has more than 25 years of experience working in large corporations with a focus on finance, accounting, planning, and operations. She is passionate about helping others, problem solving, and organization. She enjoys music, animals, and nature.


NSGPF

1280 Centre St. Suite 240

Newton Center, MA 02459

nsgpfoffice@gmail.com

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