· Director, Information Science and Technology, California Institute of Technology2025–
· Amazon Fellow, Amazon Web Services (AWS)2017–
· Allen E. Puckett Professor of Electrical Engineering, California Institute of Technology2008–
· Executive Officer, California Institute of Technology2006–2010
· Director, Center for Neuromorphic Systems Engineering, California Institute of Technology1999–2004
· Assistant Professor, California Institute of Technology1991–1996
· Postdoctoral Researcher, International Computer Science Institute1990–1991
· Postdoctoral Researcher, Massachusetts Institute of Technology1990–1991
· PhD Student, University of California, Berkeley1990–
· D.Eng., University of Padua1985–