Alwaleed Bin Talal, savvy businessman and grandson of the founder of Saudi Arabia, had previously  announced that he would donate most of his wealth – some $32 billion – to charity. You might have known that the Saudi prince, who owns the lucrative Rotana corporation, also has a share in Rupert Murdoch's News Corp but here are eight other companies Alwaleed's investment company, Kingdom Holdings, has had a hand in:

1. Twitter


Has invested since: 2011

2. Apple


Has invested since: 1997

3. Saks Incorporated


Has invested since: 1993

4. eBay


Has invested since: 2000

5. Disneyland Paris (previously EuroDisney)


Has invested since: 1994

6. Time Warner


Kingdom Holdings has a 5 percent share in the giant media corporation.

7. Mövenpick, Four Seasons, Fairmont Hotels


Kingdom Holdings owns the Movempick and Fairmont hotel chains as well as a number of Four Seasons branches, including the Savoy in Lodon.

8. Citigroup


The Saudi prince's first acquisition, made in 1991, of then-crumbling Citigroup brought him to the spotlight.