The Nuclear Threat Initiative (NTI) is a nonprofit, nonpartisan global security organization focused on reducing nuclear and biological threats imperiling humanity. Founded in 2001 by former U.S. Senator Sam Nunn and philanthropist Ted Turner who continue to serve as co-chairs, NTI is guided by a prestigious, international board of directors. Ernest J. Moniz serves as chief executive officer and co-chair; Des Browne is vice chair; and Joan Rohlfing serves as president.