Jeff Warner is a retired geologist. Since retirement in 1999, Jeff has focused on being a peace activist with a focus on the Israeli-Palestinian conflict. Currently he is a leader in LA Jews for Peace, Cousins Club of Orange County, and Jewish Voice for; he is a member of J Street, Americans for Peace Now, and U.S. Campaign to End the Israeli Occupation. As such, he organized street demonstrations against the Israeli siege of Gaza since late 2007, and against the Israeli bombardment of Gaza during the 2008-2009 bombardment. In 2006 Jeff worked with the Israeli Committee Against House Demolitions rebuilding a Palestinian home on the West Bank that was demolished by Israel. In 2009 Jeff was a member of Viva Palestina, a humanitarian mission of 175 Americans that brought medicine to Gaza.