Gregg Mashberg is a litigation partner at the international law firm, Proskauer Rose LLP.  He is the co-head of the Securities Litigation Group and a former chair of the firm’s Litigation Department.

Gregg has been deeply involved in Israel advocacy and combatting antisemitism.  He is a member of the Anti-Defamation League’s Global Advisory Council and co-chair of ADL’s Government Relations Committee.  He was previously vice chair of ADL’s International Affairs Committee and Chair of the ADL’s New York regional board.  Gregg was a trustee of the Washington Institute for Near East Policy and has published articles, blogs and letters regarding Israel and antisemitism.