He is a current member of the Democratic Socialists of America's (DSA) Jewish Caucus and belongs to a variety of other Jewish-themed far left groups, acting as an activist intermediary between wealthy Jewish liberals and the "antifa" street thugs killing and looting through the streets of America.
"Antifa's Most Prominent Jew"
https://national-justice.com/violent-antifa-doxer-prominent-syracuse-based-jewish-political-strategist