Susan J. Lewis, Ph.D., J.D., is a multi-credentialed mental health professional, with the unique combination as a licensed psychologist, forensic psychologist, and attorney. She has over 25 years of experience in clinical practice with unique populations that have included female sexual offenders incarcerated at a woman's prison, self-injurious individuals, forensic patients and individuals who suffer from severe and persistent mental illness.  In addition to clinical practice, Dr. Lewis has served in leadership roles as clinical director, program manager, supervisor for psychiatry residents and post-doctoral psychology interns. 

Currently, Dr. Lewis teaches courses on Law and Ethics in Mental Health that are state specific to the laws of each state.  She has also lectured nationwide on the DSM-5 and differential diagnosis.  She taught courses at Harvard's Extension School and Northeastern University on The Psychology of Criminal Behavior.  She is the author of Legal and Ethical Issues for Mental Health Clinicians: Best Practices for Avoiding Litigation, Complaints, and Malpractice (PPM, 2016).

A sought after consultant, Dr. Lewis works with attorneys on controversial issues as dangerousness, competence to stand trial, criminal responsibility evaluations, and civil and criminal commitment.  She works with attorneys on strategies of how mental illness might impinge on legal decision-making.  Dr. Lewis has been adjudicated an expert in almost all of the district and superior courts in Massachusetts. 

Her extensive clinical experience makes her a hands-on, knowledgeable instructor.  She is engaging and has a wonderful sense of humor, which she brings to her seminars.