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Based in Chicago, Illinois, Dr. Allen Siegel pursues an accomplished career in psychiatry and psychoanalysis. In 1958, he enrolled at Northwestern University, where he earned his undergraduate degree three years later. Dr. Siegel subsequently transitioned from Northwestern University to the University of Illinois College of Medicine. After earning his M.D., he fulfilled his residency in psychiatry at the Michael Reese Hospital and Medical Center in Chicago.

After completing his medical training, Dr. Allen Siegel returned to academia. Dr. Siegel initially attended the Chicago Institute for Psychoanalysis in 1976 as a student and later served as a faculty member. His time at the Chicago Institute for Psychoanalysis overlapped with a position as an Assistant Professor of Clinical Psychiatry at Rush University Medical Center, where he served from 2000 until 2008. Since 1978, he has lectured for various organizations and conferences, including the 1987 Teacher’s Institute conference at New Trier High School in Winnetka, Illinois. His lecture, “Stress and Development in Adolescents,” led to a four-year in-service training program for the Adviser System and earned accolades from the New Trier Township.

Today, Dr. Allen Siegel serves as the founder of The Nautilos Group, a consultancy that offers superior psychiatric services to executives and family firms. Dr. Siegel provides psychiatric assistance to CEOs, whose psychiatric health often takes a toll on business productivity. His work forms a compendium of knowledge designed to address familial issues, interpersonal communication, and more. Dr. Allen Siegel's background in psychoanalytics and patient mental care helps to address an area of emotional healing that is frequently ignored by executives.

Work experience

Oct 1971Present

Physician and President

Allen M Siegel, MD,PC



Sep 1961Jun 1965


University of Illinois, College of Medicine