- Source of Wealth: Tech Startups, Technology, Business
- Marital Status: Married (Annabeth Hartzog)
- Full Name: Michael Birch OBE and Xochi Birch OBE
- Occupation: Computer Programmer, Entrepreneur
British-born Michael Birch, 40, who lives in San Francisco, has rejoined Bebo, the social networking site he founded with his American wife, Xochi, 39, a computer programmer and entrepreneur, in 2005. He sold it in 2008 to AOL, collecting about £260m for their stake.
Aside from this, the couple have also co-founded several dozens of startups. They even started five separate companies that they run in parallel.