Chairman of Global Capital Markets, Morgan Stanley
A 22-year veteran of Morgan Stanley, Simkowitz played a role in General Motors' IPO in 2010, which raised over $20 billion. He was also one of the main bankers involved in Facebook's stock market debut and, alongside Grimes, will likely come under scrutiny when regulators review Morgan Stanley's actions.
The social networking giant's public debut has been rocky -- and not just because of technical glitches and a plummeting price.
