Russel Simmons is an American businessman. He co-founded
Yelp, Inc.[1][2] with
Jeremy Stoppelman and served as CTO from July 2004 until he left in June 2010.[2] Prior to co-founding Yelp, Simmons was a co-founder of
PayPal, where he was a Lead Software Architect, and has been described as a member of the "
PayPal Mafia."[3][4] In 2014 he founded Learnirvana.[5]
^"The U. of I. breeding ground". Chicago Tribune. April 28, 2012. Retrieved March 16, 2015. The online review site was founded in 2004 by two U. of I. graduates and former PayPal employees, Jeremy Stoppelman (computer engineering, 1999) and Russel Simmons (computer science, 1998).