Rabbi Aharon Brun-Kestler

Who’s Who at OU Kosher

Key Administrative Duties and Terms OU Kosher–certified companies have two main contact points at the OU: the RC (Rabbinic Coordinator) and the RFR (Rabbinic Field Representative), who reports directly to the RC. Both can help source ingredients, market products and services, and solve problems. In short, they make the kosher production program as smooth and […]