Elie Feder, PhD received Yoreh Yoreh and Yadin Yadin semichos from his rebbi, Rabbi Yisrael Chait. He also received a PhD in mathematics from CUNY Graduate Center. Elie has been a maggid shiur at Yeshiva Bnei Torah and a mathematics professor at Kingsborough Community College since 2004. He has published many papers and delivered many talks in graph theory, his field of mathematics research. He lives in Far Rockaway, New York, with his wife, Aliza, and their four children.