Siebel School of Computing and Data Science

Urbana-Champaign IL. Renamed from Dept of Computer Science in 2024 following $50M gift from Thomas Siebel (C3.ai founder, UIUC MS 1985). #5 CS nationally (US News 2025). #5 undergraduate engineering at Grainger (US News 2025). 90 full-time faculty. 30+ undergraduate programs, 9 graduate programs. Notable alumni: Thomas Siebel (C3.ai), Ray Ozzie (Lotus Notes/Microsoft CTO), Robert McCool (NCSA HTTPd/CGI), Anna Patterson (Google AI VP). Deep connections to NCSA, IQUIST, Q-NEXT. Founding partner of Duality quantum accelerator (with UChicago + Chicago Quantum Exchange).