Jeff Bezos

Jeff Bezos, chief executive officer of Amazon.com Inc. and founder of Blue Origin LLC, smiles while speaking at the unveiling of the Blue Origin New Shepard system during the Space Symposium in Colorado Springs, Colorado, U.S., on Wednesday, April 5, 2017. Bezos has been reinvesting money he made at Amazon since he started his space exploration company more than a decade ago, and has plans to launch paying tourists into space within two years. Photographer: Matthew Staver/Bloomberg