CS@ILLINOIS alumni have been helping drive the data science revolution. Advances have included Siebel Systems' customer relations management software and C3 Energy's smart energy platforms (Tom Siebel, BA History '75, MBA '83, MS CS '85, Honorary '06), YouTube's enormous online video archive (Steve Chen, attended, and Jawed Karim, BS CS '04), Yelp's authentic user-generated local reviews (Russel Simmons, BS CS '98), PayPal's online payment system (Max Levchin BS '97) and Informatica's enterprise data integration and management applications (Sohaib Abbasi, BS CS '78, MS '80)
