Stephen A. Schwarzman is an American financier. The Chief Executive Officer and co-founder of the Blackstone Group, he operates in many lines of financial services, including private equity, distressed debt, real estate, and corporate advisory.
In 1985, Schwarzman and his partner Peter Peterson started the Blackstone Group, which originally focused on private equity and leveraged buyout scenarios. Today, the Blackstone Group operates in many lines of financial services, including private equity, distressed debt, real estate, corporate advisory and restructurings, corporate debt, funds of funds and mutual funds. Schwarzman recently led his firm in a $39 billion purchase of Equity Office Properties Trust, the largest leveraged buyout ever completed.
Source - Wikipedia