Isaiah Zeldin was an American rabbi. He was the founder of the Stephen S. Wise Temple, a Reform synagogue in Bel Air, Los Angeles, California.

The Hebrew Union College – Jewish Institute of Religion is a Jewish seminary with three locations in the United States and one location in Jerusalem. It is the oldest extant Jewish seminary in the Americas and the main seminary for training rabbis, cantors, educators and communal workers in Reform Judaism. HUC-JIR has campuses in Cincinnati, Ohio, New York City, Los Angeles, and Jerusalem. The Jerusalem campus is the only seminary in Israel for training Reform Jewish clergy.