Shraga Feivel Halevy Zimmerman is the av beis din of the Federation of Synagogues in London. He accepted the position on the 30th of June 2019, but took office in January 2020. Rabbi Zimmerman succeeded Dayan Lichtenstein as head of the organisation's religious court. He took up this appointment following 11 and-a-half years serving as rabbi and av beis din of the Jewish community in Gateshead, United Kingdom, where he succeeded Bezalel Rakow, who died in 2003. Prior to that, he served as rabbi to Khal Adath Jeshurun, the Haredi German Ashkenazic community in Monsey, New York.