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Dr. David I. Orenstein is a tenured full professor of Anthropology at Medgar Evers College of the City University of New York. He is the co-author of two books, the 2015 Godless Grace: How Non-Believers are Making the World Safer Richer and Kinder, and the 2019 publication of Darwin’s Apostles. A primatologist by early training he has written for numerous national and international freethinker and science publications.


Dr. Orenstein is a noted civil and human rights activist, representing the American Humanist Association at the United Nations through the NGO/DPI program from 2015 through 2020. He is also a sought after speaker on human rights, science education and evolution acceptance.

Dr. Orenstein is an ordained humanist chaplain who has served on the Board of several local, national and national organizations. Including as Past President of The Secular Humanist Society of New York, past Treasurer on the board of the Center for Freethought Equality, and is a former member of the Advisory Board of Atheist Alliance International (AAI). 


Dr. Orenstein is a current board member of The Broader Social Impacts Committee of the Hall of Human Origins at the Smithsonian Institution.

David I. Orenstein

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