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. 

Kelley Bothe, LICSW, NSGPF Vice-President

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. 

Steffen Fuller, PhD, CGP, NSGPF Treasurer 

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.

Caleb Englander, LICSW, NSGPF Secretary

Jeffrey Brand

Laura Crain

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.

Tracy MacNab, PhD, CGP 

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.

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.

Jennifer Ruiz, MD, CGP, FAGPA

Jenn Ruiz joined the NSGPF Board in January 2022. She has been leading therapy groups for over 15 years including process groups, CBT and social skills groups, opiate treatment and addiction recovery groups, gay men’s intimacy groups and women’s groups.  She has taught group principles at her primary practice location of Fenway Health in Boston for several years, led a Training group for the McLean/MGH psychiatry residency program, and served on the Board and in several leadership positions in the Northeastern Society of Group Psychotherapy (NSGP).  She is an active member of NSGP as well as the American Group Psychotherapy Association (AGPA). 

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.

Guy Croteau, LICSW, CGP

Guy Croteau is currently President 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.