Gates, the 65-year-old co-founder of Microsoft Corp. is worth $144.2 billion, according to the Bloomberg Billionaires Index. French Gates, 56, is a former Microsoft manager who’s gained international prominence co-running the foundation, and more recently for starting Pivotal Ventures, an investment and incubation company to advance ‘social progress’ in the U.S.
Bill Gates’s biggest asset is Cascade Investment, which he created with the proceeds of Microsoft stock sales and dividends. Cascade oversees a vast portfolio comprising real estate, energy and hospitality as well as stakes in dozens of public companies.