Israel’s Yuri Forman held the World Boxing Association’s super welterweight title from 2009 to 2010. In 2014 he ordained as an orthodox Rabbi. He is currently giving self-defense classes in Brooklyn for members of vulnerable Jewish communities.

https://www.algemeiner.com/2020/01/19/world-boxing-champion-rabbi-teaches-self-defense-to-vulnerable-communities-after-wave-of-antisemitic-attacks/