The law in the United States does not restrict the establishment of political parties and the rate of civilians joining these parties, ranks highest in the world. In this country, lobbies are legally given an influential role in the process of decision making. Jewish community has taken advantage from this opportunity and has expanded its influence and power in the political structure. Jewish lobbies monitor and filter domestic and foreign politics of the Congress, White House, think tanks and other political institutes. After 2008 election, a new Jewish lobby, J-Street which had similar views with president Obama separated from AIPAC. Obama, who took office with the “Change” slogan, believes that solving the Israeli-Palestinian issue is the key to establish peace in the Middle East. And if it was accomplished successfully, America would be able to overcome some of its problems such as financial crisis, public support, and its heavy costing presence in Iraq and Afghanistan. J-Street lobby shares Mr. Obama’s opinion in this regard and promotes the negotiations for a two-state solution in the Palestinian territories. This article studies foundation of J-Street, its views and actions.