· Gregory E. Stillman Professor In Electrical And Computer Engineering, University of Illinois Urbana-Champaign2024–
· Associate Dean For Facilities And Capital Planning, University of Illinois Urbana-Champaign2022–
· Interim Associate Dean For Facilities And Capital Planning, University of Illinois Urbana-Champaign2021–2022
· Professor, University of Illinois at Urbana-Champaign2018–
· Chief Technology Advisor, Skorpios Technologies, Inc.2012–2016
· Associate Professor, University of Illinois at Urbana-Champaign2012–2018
· Vice President And Chief Technology Officer, Skorpios Technologies, Inc.2010–2012
· Vice President, MicroLink Devices, Inc.2009–2010
· Senior Director Of Development And Engineering, Emcore2003–2009
· Manager Of Group Engineering, Molex Fiber Optics1999–2003
· Research Engineer, Project Manager, Amoco Research Center1991–1994
· Ph.D., Electrical and Computer Engineering, University of Illinois at Urbana-Champaign1981–1990