Nancy Sowell, LICSW, is an IFS senior trainer, consultant, and speaker who teaches internationally and in the US and maintains an IFS health therapy practice. She is a Harvard Medical School teaching associate at the Center for Mindfulness and Compassion at the Cambridge Health Alliance, where she has served for many years as a clinical consultant and IFS trainer. Her work integrates personal history, mindful awareness of the body, emotions, thoughts, and deeply held beliefs that influence our mood, behavior, relationships, and health. As the Behavioral Medicine program manager in the Division of Rheumatology, Immunology, and Allergy at Brigham and Women's Hospital in Boston, she co-created an IFS program that demonstrated positive outcomes for patients with rheumatoid arthritis. She knows both personally and professionally the power of the Self in healing and restoring health. Visit her website: http: //www.nancysowell.com.

Martha Sweezy, PhD, is a part-time assistant professor in psychiatry at Harvard Medical School, a research and training consultant at the Center for Mindfulness and Compassion at the Cambridge Health Alliance, and a psychotherapist in private practice. She writes a blog on topics related to IFS in Psychology Today and cohosts a podcast with Hanna Soumerai-Rae and Fionna Kate Rice called System Updates: IFS Chitchat. She has authored, coauthored, and coedited eleven books on various applications of IFS, including Internal Family Systems Therapy for Shame and Guilt. She teaches IFS therapy nationally and internationally. Visit her website: https: //marthasweezy.com.

Richard C. Schwartz, PhD, is the creator of IFS. His IFS Institute offers training for professionals and the general public. He is currently on the faculty of the Department of Psychiatry at Harvard Medical School, and he has published five books, including No Bad Parts: Healing Trauma and Restoring Wholeness with the Internal Family Systems Model.