Warren Edward Buffett (born August 30, 1930) is an American business magnate, investor, and philanthropist. He is widely considered the most successful investor of the 20th century. Buffett is the primary shareholder, chairman and CEO of Berkshire Hathaway and consistently ranked among the world's wealthiest people. He was ranked as the world's wealthiest person in 2008 and as the third wealthiest person in 2011. In 2012, American magazine Time named Buffett one of the most influential people in the world. Buffett is called the ""Wizard of Omaha"", ""Oracle of Omaha"", or the ""Sage of Omaha"" and is noted for his adherence to the value investing philosophy and for his personal frugality despite his immense wealth. Buffett is also a notable philanthropist, having pledged to give away 99 percent of his fortune to philanthropic causes, primarily via the Gates Foundation. Max Olson is an engineer, investor, and designer who founded Explorist Productions to publish media celebrating breakthrough companies and ideas. In 2013, he collaborated with Warren Buffett to publish ""Berkshire Hathaway Letters to Shareholders,"" which has sold over 100,000 copies. He is the founding employee at Mashgin, the leading AI-powered checkout company, where he has helped scale the business from startup to over 4,000 locations worldwide. Max runs Braewick Holdings, an investment fund he launched in 2008. A generalist by nature, his background spans programming, product design, and business strategy across startups and public markets. He writes about technology, investing, and progress at FutureBlind.com and lives in California with his wife and two daughters.