Vice President and General Counsel, Facebook
The former chief of staff to Attorney General Alberto Gonzalez was brought onboard in 2008 months after Sandberg joined to help navigate legal issues in D.C. Ullyot will likely have his work cut out for him now with regulators scrutinizing all sides of Facebook's IPO.
The social networking giant's public debut has been rocky -- and not just because of technical glitches and a plummeting price.
