Max Levchin's house

Max Levchin is a Ukrainian-born American computer scientist and internet entrepreneur who co-founded (along with Peter Thiel and Elon Musk) PayPal. He was CTO of the company. PayPal went public in February 2002, and was subsequently acquired by eBay. His 2.3% stake in PayPal was worth approximately $34 million at the time of the acquisition. In 2002, he was named to the MIT Technology Review TR100 as one of the top 100 innovators in the world under the age of 35, as well as Innovator of the Year. He is also the co-creator of the Gausebeck-Levchin test, one of the first commercial implementations of a CAPTCHA. Levchin is considered a member of the "PayPal Mafia." He also helped start Yelp, an online social networking and review service. In 2012, his net worth was reported to be $300 million.