Eric Mendelsohn has been profoundly influenced by the teachings of R’Zalman Schacter Shalom. Mendelsohn is a founder of Congregation Darchei Noam and was a commentator for the Reconstructionist Siddur "Kol Haneshama". He is a professor emeritus in both the departments of Mathematics and Computer Science at University of Toronto and an Adjunct professor of Mathematics at Ryerson University. He and his wife late  Lillian Z”L have two children and five grandchildren.