Christians United for Israel (CUFI) is an American pro-Israel Christian organization that defines itself as "a national grassroots movement focused on the support of Israel." It is the largest pro-Israel organization in the United States. CUFI says it draws support from the Christian Bible. Operating under the leadership of John Hagee, it provides a national association through which churches, parachurch organizations, ministries, and individuals in America promote support for Israel financially and politically.