Tim Ferriss

Timothy Ferris is an American business owner and angel investor. He has served as an investor or advisor to many companies, including StumbleUpon, Evernote, Shopify, Uber and TaskRabbit. CNN listed Ferris as one of the planet's leading angel investors. He has written five books, including The 4-Hour Workweek. Each of his books has been featured on The New York Times Bestseller list.