 He is a founder and co-chairman of bipartisan national security NGO the Partnership for a Secure America, has served on the board of the Jewish refugee organization HIAS, the International Center for Transitional Justice, and the Brandeis University International Center for Ethics, Justice and Public Life, and has served as an election monitor in Afghanistan and the Philippines.He is the former chairman of the international advisory committee to the Mongolian Ministry of Nature, Environment, and Tourism and the former is Honorary Ambassador to North America of the Korean Ministry of Trade, Industry, and Energy.In 2004, Metzl ran unsuccessfully against former Kansas City Mayor Emanuel Cleaver for the Democratic nomination for Missouri's Fifth Congressional District.