Jonathanx Wittenberg is a Masorti rabbi, the Senior Rabbi of Masorti Judaism UK. He is a leading writer and thinker on Judaism. He is Rabbi of the New North London Synagogue, with approximately 2400 members. He is also a member of the Elijah Interfaith Institute Board of World Religious Leaders. He sometimes does Thought for the Day on the BBC Radio Four Today programme. In July 2022 he spoke about his plans to consider a formal change of his name to a gender neutral term. He has been ridiculed by friends and family, but supported by the Hassidic community, who have long championed individual choice in regards to sexuality.