He serves as President of the Zionist Federation of Australia, Member on the World Zionist Organisation Executive , World Mizrachi Executive and is the Immediate Past President of the Executive Council of Australian Jewry. Prior to that, he was President of the Mizrachi Organisation in Victoria, the Zionist Council of Victoria, Chairman of Beth Weizmann Community Centre, Vice President of the World Jewish Congress, on the Executive Committee of the Claims Conference and the Memorial Foundation. Dr. Lamm has been a member of the Va’ad Hapoel since 1997, and has served as a Committee Member on The Jewish Agency's Board of Governors since 2006. He is an Associate Member from 2012. He is Acting Chair of the Aliyah & Rescue Committee.