blocked the visit over security concerns related to the bugging. In May 2011, Forstmann was diagnosed with brain cancer and received treatment at the Mayo Clinic. He died on November 20, 2011, of complications from brain cancer. He had a net worth of US$ 1.6 billion as of 2011. References External links "The Inside Story of Ted Forstmann's Wild Ride at Gulfstream" - 1997 BusinessWeek article on Forstmann's transformation of Gulfstream Aerospace "A Latter-Day Warbucks, Helping Children" - 1999 New York Times article on Forstmann's efforts to improve education by giving school choice 2005 Forbes 400 entry 2008 Forbes 400 entry "Goodbye to All That" - 2004 New York Times article on Forstmann's planned retirement in 2006. Ted Forstmann's Bio Machiavelli and Mogul. Vanity Fair, January 2012 1940 births 2011 deaths American billionaires American chief executives of financial services companies American financiers Philanthropists from New York (state) Columbia Law School alumni Deaths from brain cancer in the United States Giving Pledgers 21st-century philanthropists New York (state) lawyers Businesspeople from Greenwich, Connecticut People from Manhattan Private equity and venture capital investors Yale University alumni 20th-century American businesspeople 20th-century American lawyers 20th-century American philanthropists