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Mona Sue Weissmark, PhD


Mona Sue Weissmark is an American clinical psychologist and social psychologist, researcher, and author whose work on diversity and justice has received global recognition.

She is best known for her groundbreaking social experiment of bringing children of Holocaust survivors face-to-face with children of Nazis, and later, grandchildren and great-grandchildren of African American slaves with descendants of slave owners. 


She is also a professor of psychology and author of numerous journal articles and the books: 

Doing Psychotherapy Effectively 

(University of Chicago Press)

Justice Matters: Legacies of the Holocaust and World War II (Oxford University Press)

The Science of Diversity® (Oxford University Press).


Weissmark received a bachelor’s degree at McGill University and a doctorate degree at the University of Pennsylvania. She went on to pursue a postdoctoral fellowship in the Department of Psychology at Harvard University and was appointed lecturer at Harvard Medical School, teaching graduate courses on research methods. Later, she moved to Chicago and joined the faculty at Roosevelt University as a tenured associate professor of Psychology and also joined the Department of Psychology at Northwestern University as a visiting scholar.


Weissmark was named Visiting Associate Professor of Psychology at Northwestern University and founded the Global Mental Health Studies Program at the Buffett Institute. She also is a visiting professor of Psychology at Harvard University where she teaches the course “Psychology of Diversity” and conducts research on the science of diversity.


Weissmark was born in Vineland, New Jersey. She lives in Evanston, Illinois with her husband a University of Chicago psychiatrist. They have one awesome daughter.

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