48-year-old Billionaire Jonathan Gray is Replacing Tony James as Blackstone’s COO
- Private-equity giant Blackstone Group has promoted Jonathan Gray to replace Tony James as COO.
- Gray, 48, has run the firm's global real estate group since 2005.
- Gray joined the firm out of college in 1992 and has built a billion-dollar fortune in his time there.
Alternative-asset management giant Blackstone Group has tapped 48-year-old billionaire Jonathan Gray as its next chief operating officer, the company announced Tuesday...