Russel Simmons is an American businessman. He is co-founder and initial CTO of Yelp, Inc. with Jeremy Stoppelman from July 2004 until he left in June 2010. He is an early employee at PayPal, where he was a Lead Software Architect, and has been described as a member of the PayPal Mafia.
^"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).