Simmons was an engineer and Stoppelman was the vice president of technology after joining PayPal from X.com. In 2004, the pair came up with the idea for a platform where users could leave ...

Part online business directory, part customer reviews hub, Yelp has become indispensable for 108 million active monthly users since ex-PayPalers Stoppelman and Russel Simmons started it in 2004.

After PayPal: Co-founded Yelp with Jeremy Stoppelman and served as its CTO until he 'transitioned' into an advisory role in June 2010 to take some 'much needed time off to travel'. Fresh from his ...