Claim: The birth name of Jeff Bezos is Jeffrey Preston Jorgensen.
Evidence: Jeff Bezos -LRB- -LSB- ˈbeɪzoʊs -RSB- born Jeffrey Preston Jorgensen ; January 12 , 1964 -RRB- is an American technology and retail entrepreneur , investor , and philanthropist who is best known as the founder , chairman , and chief executive officer of Amazon.com , which is the world 's largest online shopping retailer.