He is Chair of the Israel Engagement Committee. In the past, he served as President of the Association of Reform Zionists of America (ARZA), as well as President, Vice President and National Treasurer of ARZA. Mr. Meltzer also served on the Executive Committees of the Union for Reform Judaism, the World Union for Progressive Judaism and AIPAC, and on the Boards of the Jewish National Fund (JNF) and American Zionist Movement. He was elected to The Jewish Agency’s Board of Governors in 1998. From 2005 he served as a Committee Member and on 2010 he started serving as an Associate Member.