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Joan Wheelis, M.D.


Dr. Wheelis received her M.D. from Boston University and completed her psychiatric residency at McLean Hospital in Belmont, MA in 1989. She founded Two Brattle Center in 1996 and has been its Director since that time. In addition to her work at Two Brattle Center, Dr. Wheelis is an Assistant Clinical Professor at Harvard Medical School and teaches at the joint Massachusetts General Hospital / McLean Hospital Psychiatric Residency Program. Additionally, Dr. Wheelis is a Training and Supervising Analyst at the Boston Psychoanalytic Society and Institute. In 1997, Dr. Wheelis began training with Dr. Marsha Linehan at the University of Washington in Dialectical Behavioral Therapy and has been a DBT Trainer with Btech since 2002. Currently Dr. Wheelis is the DBT consultant for the Gunderson Residence at McLean Hospital. Dr. Wheelis's interests include the treatment of borderline personality disorder and suicidal behavior.

Matthew Jerram, Ph.D.

Affiliate Psychologist

Matthew Jerram received his Ph.D. in Clinical Psychology from Suffolk University in 2002 after completing his internship at the Brockton/West Roxbury VAMC. He completed his postdoctoral training at Two Brattle Center. He earned his B.A. in psychology and M.L.A. in the History of Ideas at Johns Hopkins University. Dr. Jerram is intensively trained in Dialectical Behavior Therapy and is a member of the Two Brattle Center DBT Consultation Team. Additionally he has extensive clinical experience in cognitive-behavioral therapy, and neuropsychological assessment. Dr. Jerram is an Assistant Professor in the Psychology Department at Suffolk University in Boston, MA.

Ricardo Benitez, B.S.

Information Technology Director

Ricardo Benitez received a B.S. in Business Administration from Boston University. As part of the TBC team, he serves as the Information Technology Director.

Raquel Dillem Pa

Office Manager

Raquel Dillem Pa graduated from Liceu Muniz Freire in Cachoeiro De Itapemirim - ES, Brazil. She worked as an elementary school teacher. Her managerial experience includes office management in both Brazil and in the United States. She speaks English, Spanish and Portuguese.

Raquel P

Ardith Welwood, MA, LMHC

Licensed Mental Health Counselor

Certified Executive Coach

Ardith received her Master of Arts from Lesley University in psychology in 1998. Earning her license as a Mental Health Counselor in 2000, Ardith has training and experience in several treatment modalities including Dialectical Behavioral Therapy, Cognitive Behavioral Therapy, and Acceptance and Commitment Therapy.

In 1999, she attended and completed the Ten-day Intensive Training in Dialectical Behavioral Therapy (DBT), adding four advanced trainings in DBT in 2000, 2001, and 2005, 2010. In conjunction with the DBT trainings, she designed and implemented a DBT track within the Partial Hospitalization and Day Program at Health and Education Services (HES) in Haverhill, MA. While at HES, Ardith conducted individual psychodynamic, DBT treatment, and led skills training groups for three years.

Beginning employment at a nationally recognized treatment center, Two Brattle Center in 2000, she held the Evening Program Milieu Position for one year while continuing her participation as a member of the DBT consultation team. Ardith was the Director of Intake and continued to offer individual therapy employing Psychodynamic, Cognitive/Behavioral and DBT approaches. She conducted DBT and CBT skills training groups for 8 years while at Two Brattle Center in addition to providing individual DBT including phone skills coaching. While at Two Brattle Center, her DBT consultation team strives to utilize a DBT adherent model of treatment and uses videotaping of sessions to provide feedback and teaching to clinicians.

In 2006 Ardith completed an executive coaching six day intensive program through the College of Executive coaching conducted by Dr. Jeffery Auerbach. She incorporates her action oriented business and professional coaching skills into her psychotherapy practice and also provides goal oriented peak performance coaching to individuals.

Through Harvard Law School in 2014, Ardith became certified in Negotiations and Difficult Conversations. She utilizes her negotiations and interpersonal skills in business environments as well as teaching/coaching psychotherapy clients to employ many of the skills and tools.

Currently, Ardith owns a thriving, full time private psychotherapy practice and is the founder and CEO of Boston Accountability in Cambridge, Massachusetts. In her private practice, she conducts DBT and ACT with individuals, couples and families. Additionally, she provides treatment consultations to clinicians and clients.


Valerie I. Photos, Ph.D.

Affiliate Psychologist

Dr. Photos received her bachelor's degree from the University of Chicago and her master's and doctoral degrees in clinical psychology from Harvard University. She completed a post-doctoral Fellowship in Personality Disorders at the Gunderson Residence of McLean Hospital and has completed a foundational DBT training through Behavioral Tech. Additionally Dr. Photos has been trained in Mentalization Based Treatment by Drs. Fonagy and Bateman. She currently works as a therapist at 3East at McLean Hospital,

highly-specialized treatment program for adolescents who are exhibiting self-endangering behaviors and emerging borderline personality traits.