Stephen A. Schwarzman is a billionaire American businessman and investor and the chairman and co-founder of the Blackstone Group, the private-equity and financial advisory firm owns this house. His net worth is over $7 billion. As of 2007, The Blackstone group is the 4th largest private equity firm in the world, behind The Carlyle Group, Kohlberg Kravis Roberts, and Goldman Sachs. Among other things, they own Hilton Hotels.
Homes - Celebrity - Business