At 11 years old, Buffett bought his first stock–three shares of Cities Service preferred, for $38 a share. He sold at $40 a share, a decision he regretted when the stock rose to $202. The lessons he learned from that experience–and the principles of his guru, economist and investor Benjamin Graham–have stayed with him as he has grown his company, Berkshire Hathaway, into a $350 billion conglomerate. Buffett is the World’s third richest person, but for 30 years he has taken a relatively meager $100,000 salary, the smallest take-home earnings of any Fortune 500 CEO.
Buffett’s net worth
Share of his wealth that he has pledged to give to charity
Value of Buffett’s primary residence, a 6,570-sq.-ft. (610 sq m) home in Omaha
Miles (32,690 km) on the 2006 Cadillac that he auctioned in February–the result of a 3-mile (4.8 km) round-trip commute
Newspapers on his daily reading list, spanning local and national outlets
Seconds Buffett says he needs to decide if an investment is worth pursuing
Total number of emails ever written
Calories consumed daily from regular and Cherry Coke
This appears in the July 06, 2015 issue of TIME.