Ellen Astrachan-Fletcher, PhD, FAED, CEDS-S, is an internationally recognized expert in understanding and treating mood, anxiety, and eating disorders. She is Lecturer at Northwestern University’s Feinberg School of Medicine, Department of Psychiatry and Behavioral Sciences and Associate Professor of Clinical Psychology in the Department of Psychiatry at the University of Illinois at Chicago where she has taught and supervised Psychiatry residents and fellows as well as Clinical Psychology interns and externs for over three decades. She has held numerous administrative positions in which she focused on improving team communication while mentoring developing leaders. She is an Affiliated Advisor for Generation6, a consulting firm dedicated to helping family businesses thrive across generations, focusing on governance, unity, and sustainable success.

Dr. Astrachan-Fletcher has worked with countless patients and clients seeking advice on a variety of topics, from mental healthcare topics such as helping those in your family deal with loved family members who have had trauma and diagnosable issues, to general counseling on how to better interact with your family, how to understand, avoid, and repair emotional triggers in yourself and others, using biotemperament in leadership, and dealing with issues of enormous family legacy and wealth.

Dr. Astrachan-Fletcher is a senior RO DBT (Radically Open Dialectical Behavioral Therapy) clinician, is a nationally recognized expert in the field of DBT and the understanding of Biotemperament and frequently presents at national conferences. Dr. Astrachan-Fletcher has co-authored The Dialectical Behavior Therapy Skills Workbook for Bulimia: Using DBT to Break the Cycle and Regain Control of Your Life (2009), and she co-authored the Radically Open DBT Workbook for Eating Disorders: From Overcontrol and Loneliness to Recovery and Connection (2022). Both workbooks are used in treatment centers throughout the country. The Radically Open DBT Workbook for Anxiety: A Path to Peace Through Openness, Flexibility, and Connection, will be coming out in 2026.