The Blackstone Group, a private investment bank with offices in New York and London, was founded in 1985. The firm has raised a total of approximately $23 billion for alternative asset investing since its formation, $14 billion of which has been for private equity investing. The Blackstone Group\'s six core businesses are Mergers and Acquisitions Advisory, Restructuring and Reorganization Advisory, Private Equity Investing, Private Real Estate Investing, Private Mezzanine Investing, and Liquid Alternative Asset Management.