Saretzky has taught the history of photography at Mercer County Community College from 1977 through 2012. He has served as coordinator of the Public History Internship Program for the Rutgers University History Department since 1994. Under the auspices of the Horizons Speakers Bureau of the New Jersey Council for the Humanities, he lectures around the state on topics related to the history of photography. Additionally, Saretzky has published more than 100 articles and reviews on the history of photography and photographic conservation. In the Macmillan Biographical Encyclopedia of Photographic Artists and Innovators he is profiled.