Staff

Our Staff

Daniel Brenner
Daniel A. Brenner, M.D.

Medical Director
Dr. Brenner attended Harvard University and Tufts Medical School. He completed his residency in Psychiatry at Cambridge Hospital, Harvard Medical School, where he served as Chief Resident. He then served as an Attending Psychiatrist and Fellow in the Program for Psychotherapy. He was a Clinical Instructor in Psychiatry at Harvard Medical School from 2000-2010, and is a graduate of the Boston Psychoanalytic Society and Institute. He was board certified in Psychiatry and Neurology, and has been in private practice for over 20 years.
Ximena Sanchez-Samper, M.D.
Ximena Sanchez-Samper, M.D.
Staff Psychiatrist

Dr. Sanchez-Samper is a board-certified addictions psychiatrist, who obtained her degree at the Mayo Clinic in Rochester, MN and completed her addictions fellowship through the combined Massachusetts General Hospital/Brigham and Women's/McLean Hospital Addictions Fellowship Program in 2004. Since then, she has worked with adolescents and young adults with substance use disorders at Children's Hospital in Boston and McLean Hospital. She is currently the medical director of Spring Hill Recovery Center, senior advisor of clinical services for the O'Connor Professional Group, and an instructor at Harvard Medical School.
Laura Warren, M.D.
Laura Warren, M.D.
Staff Psychiatrist
Dr. Warren attended the University of Pittsburgh Medical School, and completed residency at Cambridge Health Alliance. She is board-certified in Psychiatry and Neurology, and has worked with adults in a variety of outpatient settings over the past 10 years. She has special expertise in mindfulness-based treatment and is a Part-Time Instructor at Harvard Medical School.
Olga Pavleyeva, R.N.
Olga Pavleyeva, R.N.
Head Nurse
Olga is a member of the IV Access Team at Massachusetts General Hospital. She has worked in a wide range of medical settings, including surgical intensive care, and is certified in Advanced Cardiac Life Support.
Anne Woodbury, R.N., C.C.R.N
Anne Woodbury, R.N., C.C.R.N
Staff Nurse
Anne has been a member of the Surgical/Trauma Intensive Care Unit, PACU, and Interventional Cardiovascular Team at Beth Israel Deaconess Medical Center. She is a board certified Critical Care Registered Nurse, and is also certified in Advanced Cardiac and Pediatric Life Support.
Edward Almeida, R.N.
Edward Almeida, R.N.
Staff Nurse
Edward is a member of the IV Access Team at Massachusetts General Hospital. He has worked in numerous medical settings, including outpatient and intensive care. Edward is certified in Advanced Cardiac Life Support.
Liz Morrison, R.N.
Liz Morrison, R.N.
Registered Nurse, LICSW
Liz came to nursing after receiving a Masters of Social Work at Columbia University in 1998. Since becoming a nurse, she has worked in medical, emergency, and inpatient psychiatry settings at Massachusetts General Hospital, Winchester Hospital, and Lahey Behavioral Health, among others. She is currently studying to become a Psychiatric and Mental Health Nurse Practitioner.
Heather Thompson Brenner
Heather Thompson-Brenner, Ph.D.

Clinic Supervisor
Dr. Thompson-Brenner attended Harvard University and received her Ph.D. in Clinical Psychology from the University of Michigan. Dr. Thompson-Brenner founded the Eating Disorders Clinic and research center at Boston University, where she was an assistant professor of Psychology. She is a clinical psychologist providing psychotherapy and research consulting in private practice. Dr. Thompson-Brenner is the author of over 50 peer-reviewed papers and was named a Fellow of the Academy of Eating Disorders.She serves as a consultant to the Renfew Center, where she has designed and implemented a comprehensive in-patient treatment program for eating disorders.
Francis Guerriero, L.I.C.S.W.
Francis Guerriero, L.I.C.S.W.
Staff Social Worker
Francis is a graduate of Lesley University and Boston College, in both Social Work and Theology and Ministry, and is among the first graduates of The Ketamine Training Center in California. Having trained and practiced at McLean Hospital, he is steeped in contemporary evidence-based therapeutic modalities, and is deeply informed by twenty five years of experience in Eastern and Western contemplative and meditative practices. He is in private practice in Cambridge and currently involved in FDA-approved breakthrough psychotherapy research for the treatment of Post-traumatic stress.
Daniel T. Thompson
Daniel T. Thompson
Managing Director of Cambridge TMS

Daniel attended the University of Massachusetts and has experience in mental health services, marketing, and delivery. He is a trained TMS technician.
Emily Monich
Emily Monich
Clinical Coordinator & Practice Manager
Emily earned her Bachelor's degree in Leadership Studies from the University of Richmond. She previously worked as an educator both abroad and in the United States.
Clare Eisentrout
Clare Eisentrout
Clinical Coordinator
Clare Eisentrout is an artist and educator with a passion for mental health. She studied Music Theater at Baldwin Wallace Conservatory and went on to perform regionally everywhere from California to Vermont. She has also worked as an ABA Line Therapist for children on the Autism spectrum, taught at a Reggio Emilia preschool, designed and directed youth theater, and released her own musical project, "Claxy."