Tzaly is the Arledan’s CEO since 2004 and its chairman of the board since 2016. He holds a LLB from the Hebrew University of Jerusalem and LLM from Harvard University. Tzaly was called to the bar at 1979, he practiced in the American law firm Chadbourne & Parke in New York City and he is a partner at Reshef & Shiff Law firm. Tzaly is the chairman of the board of both Variscite and Telsys. He is also one of the founders of the Israeli peace movement, Peace Now. He was a member of the 15th Knesset on behalf of the Labor Party.