John Grayken

John Grayken
Born
John Patrick Grayken

June 1956 (age 6869)
CitizenshipIrish
Alma mater
Occupation(s)Founder and chairman, Lone Star Funds
Board member ofLone Star Funds, Hudson Partners
SpouseEilene Davidson
Children4

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.

Forbes magazine ranked Grayken 424th in the list of World's Billionaires and listed his wealth as totaling $6.9 billion for 2024.