2. John Grayken
John Patrick Grayken (born June 1956) is an American-born Irish billionaire financier, the founder and chairman of the private equity firm Lone Star Funds.
John Patrick Grayken was born in June 1956,[3] and was brought up in Cohasset, Massachusetts, a suburb of Boston. He received a BA degree in Economics from the University of Pennsylvania, and an MBA from the Harvard Business School in 1982.
Grayken first worked at Morgan Stanley, before joining the Texas billionaire Robert Bass.
Grayken founded Lone Star in 1995.
In 1999, Grayken became an Irish citizen, renouncing his American citizenship. As of 2015, he lives in Pyrford Court, Surrey, which features prominently in the 1976 movie, The Omen. Pyrford Court is a Grade II listed 15-bedroom house, built in 1910 for Rupert Guinness, 2nd Earl of Iveagh.
His estimated net-worth as at now is $6.3 Billion.