Richard C. Schwartz, PhD, the developer of the Internal Family Systems (IFS) model. He is senior faculty at the CHA Center for Mindfulness and Compassion and is a Lecturer in the Department of Psychiatry at Harvard Medical School. He has devoted his career to evolving and disseminating IFS, which now is being taught all over the world. Dr. Schwartz founded the IFS Institute, which coordinates IFS trainings in the United States and internationally. He is a featured speaker at many national conferences and has published more than 50 articles and books about IFS and other psychotherapy topics. He is the author of No Bad Parts, which was ranked as the #2 English book sold on Amazon.com in both categories of psychology and for PTSD.

Martha Sweezy, PhD co-directs the CHA Center for Mindfulness and Compassion's Internal Family Systems professional training programs. She is an Assistant Professor part-time in Psychiatry at Harvard Medical School, teaches IFS at CHA, and serves as a research consultant for IFS research studies at CHA. She is a psychotherapist with an online private practice and a prolific writer. Dr. Sweezy teaches Internal Family Systems (IFS) therapy nationally and internationally and has co-edited, co-authored, and authored peer-reviewed articles, chapters, and several books on IFS. Her most recent book is Internal Family Systems Therapy for Shame and Guilt.

Hanna Soumerai Rea, LICSW is a clinical leader working to expand access to innovative trauma treatment. As Clinical Director for the Program for Alleviating and Resolving Trauma and Stress (PARTS) in the Outpatient Psychiatry Department at Cambridge Health Alliance, she directs the clinical implementation of innovative group-based IFS therapy (PARTS) programs, demonstrating promising results for PTSD treatment. As PARTS Clinical Director she has co-developed the program manual and contributed to published research on online group-based IFS treatment for PTSD. She is dedicated to making effective trauma treatment more accessible. She is a certified IFS therapist and an experienced program assistant for IFS trainings. Hanna provides therapy for individuals, couples, and groups, bringing particular expertise in treating OCD, anxiety, and trauma. She maintains a therapy and consultation practice in Arlington, MA, and is dedicated to her ongoing journey of unlearning bias in all its forms.

Dilara Ally, PhD, LCSW is the inaugural Richard C. Schwartz Clinical Research Postdoctoral Fellow at the Center for Mindfulness and Compassion at the Cambridge Health Alliance in the Department of Psychiatry at Harvard Medical School. Dr. Ally's research examines the mechanisms underlying treatment effectiveness, investigating how and for whom different therapeutic approaches work. Her current focus explores how Internal Family Systems influences attachment, inner compassion and perspective-taking in trauma recovery. She leverages machine learning and artificial intelligence to amplify patient voices and advance equity-focused intervention research.

Zev Schuman-Olivier, MD is the Founding Center Director of the CHA Center for Mindfulness and Compassion and Director of the Mindful Mental Health Service at CHA. He is Director of Addiction Research at CHA. Dr. Schuman-Olivier is an Associate Professor in the Department of Psychiatry at Harvard Medical School and an investigator at the Center for Technology and Behavioral Health at Dartmouth. As a board-certified addiction psychiatrist, he has been involved with research and clinical care of patients with addiction, mental illness, and chronic pain both in mental health and primary care settings. He has participated in the NIH Science of Behavior Change Initiative and NIH HEAL Initiatives. He is the principal investigator for the PARTS study, which is developing and testing novel group interventions based on an Internal Family Systems approach to trauma and PTSD. He co-developed the Mindful Behavior Change curriculum and was the principal investigator of the MINDFUL-PC project, which led the way in integrating mindfulness into primary care. He is the principal investigator of the MINDFUL-OBOT trial, a national trial of live online mindfulness training groups, which recruited people with opioid use disorder from 16 states. He is Director of the Clinical Core for the NCCIH program project grant testing synergistic integrative mind-body approaches to chronic pain treatment. In addition, he is involved in clinical trials of innovative interventions for depression, anxiety, alcohol use, and grief.