David Lisak, PhD.


David LisakDavid Lisak is a clinical psychologist who has devoted his professional life to studying the causes and consequences of interpersonal
violence. His research on nonstranger rapists, and on the long term impact of childhood sexual abuse in adult men has been published in leading scientific journals.

For the past 25 years he has served as a forensic consultant, professional trainer, and public speaker across the United States. He has served on the faculty of the National Judicial Education Project and the American Prosecutors Research Institute, and has served as a consultant to judicial, prosecutor and law enforcement education programs across the country.

He has conducted trainings and workshops in all fifty states across the U.S., and consults widely with universities, the four services of the U.S. Military, the Department of Defense, and other institutions regarding sexual assault prevention and policies. Dr. Lisak consults frequently on sexual violence and homicide cases across the country. He serves as an expert witness in death penalty cases where issues of child abuse are pertinent, and in sexual assault cases on issues of victim behavior and offender characteristics.

Himself a survivor of childhood sexual abuse, he is a founding board member of 1in6, a national, non-profit organization devoted to helping men who were sexually abused as children.

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    David Lisak is a nationally recognized forensic consultant, trainer and lecturer.
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