Kasia Coulter

Kasia Coulter, LMHC, has over seven years of experience as a mental health clinician in a variety of settings. Kasia is committed to building long term and collaborative relationships with individuals and couples to promote personal healing and growth. In addition to deepening her psychodynamic therapy skills as a post graduate fellow at the Psychodynamic Institute of Back Bay, and through the Psychodynamic Couple and Family Institute of New England, Kasia sees patients as part of the Riverside Community Care organization. Previously, Kasia has trained in family systems and EMDR therapy.


Julia Harty Rydin

Julia Harty Rydin, LCSW, is a post-graduate fellow practicing psychodynamic individual and couples therapy with the Psychotherapy Institute of Back Bay. In addition to her role at PIBB, Julia continues her work as an inpatient social worker at McLean Hospital. She is also expanding her clinical skills in couples therapy through advanced training at the Psychodynamic Couple and Family Institute of New England (PCFINE).


Barbara Kellman

Barbara Kellman, LCSW, JD, received her MSW from Boston University in Clinical Social Work, with training at Jewish Family and Children’s Services and McLean Hospital. Complementary to her work with PIBB, she has completed advanced training in couples therapy at the Psychodynamic Couple and Family Institute of New England (PCFINE). Barbara has additional training in family therapy with Therapy Training Boston, as well as in Internal Family Systems and Dialectical Behavioral Therapy. In the first part of her career, Barbara received her law degree from the University of Michigan and continues to practice law and mediation.


Dylan Khanal

Dylan Khanal (he/his), PhD, LCSW, is a psychotherapist with a firm grounding in psychodynamic psychotherapy as well as meditation and mindfulness. Prior to pursuing a career as a therapist, Dylan completed a doctorate in philosophy at the Massachusetts Institute of Technology. In addition to his clinical work at the Psychotherapy Institute of Back Bay, Dylan sees patients at the Charles River Counseling Center in Needham, MA. Dylan has been a fellow at the Massachusetts Institute for Psychoanalysis (MIP) and a trainee in psychodynamic couples therapy at the Psychodynamic Couple and Family Institute of New England (PCFINE). He is also pursuing training in narrative therapy, which centers a critical social justice perspective on the problems that motivate people to seek therapeutic support.


William Mason

William Mason, LCSW, has several years of experience providing psychodynamic psychotherapy in hospitals, schools, and outpatient settings. In addition to his clinical work at the Psychotherapy Institute of Back Bay, William sees patients at the Human Relations Service in Wellesley, MA. He is also currently pursuing advanced training in couples therapy at the Psychodynamic Couple and Family Institute of New England (PCFINE).


Joseph Prever

Joseph Prever, LCSW, practices psychotherapy as a post-graduate fellow with the Psychotherapy Institute of Back Bay (PIBB). He is committed to helping patients with a particular interest in matters of attachment, meaning, and the spiritual dimension of existence. In addition to his work with PIBB, Joseph also sees patients at Dana Group Associates in Needham, MA, and is pursuing training in couples therapy with the Psychodynamic Couple and Family Institute of New England (PCFINE).