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.
Early life
John Patrick Grayken was born in June 1956, 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.
Career
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.
Philanthropy
In March 2017, Eilene and John Grayken gave a $25 million gift to the Boston Medical Center (BMC) to create the BMC Grayken Center for Addiction Medicine. The gift is the largest donation in BMC’s history. While the couple usually makes their donations anonymously, they explained that they were going public this time to de-stigmatize addiction and to encourage others to do so as well.
Personal life
He is married to a British woman, Eilene Davidson.
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