No: 24 billionaire-2009

Net Worth:$13.0 bil
Fortune:inherited
Source:inheritance
Age:51
Country Of Citizenship:Canada
Residence:Toronto
Industry:Media
Education:NA,
Marital Status:divorced, 3 children



Chairman of Thomson Reuters, media conglomerate in which his family has a 55% stake. Grandfather Roy founded Thomson Corp. in 1934. Renamed Thomson Reuters after completing acquisition of Reuters in April 2008; stock down 25% since. With brother Peter, serves as cochair of family's investment concern, Woodbridge. Helped oversee donation of father Kenneth's (d. 2006) art collection to Art Gallery of Ontario; 2000-piece collection includes medieval ivory diptychs and Native American art. Reportedly split from American actress Kelly Rowan last April around the time she gave birth to a daughter.