Net Worth: $390 Million
- Source of Wealth Computer programmer, Entrepreneurs
- Nationality United Kingdom
About Michael and Xochi Birch
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, in 2005. He sold it in 2008 to AOL, collecting about £260m for their stake.