1996-08-15–2000: Assistant Professor, Department of Computer Science and Engineering, University of Notre Dame

2008–present: Professor, Department of Computer Science and Engineering (with a concurrent appointment at Dept. of Electrical Engineering), University of Notre Dame

12/2018-02/2019: Visiting Professor
School of Computer Science and Engineering
The University of New South Wales, Sydney, Australia

08/2018-12/2018: Visiting Professor
Beijing Innovation Center for Future Chips
Tsinghua University, Beijing, China

02/2019–08/2019: Visiting Professor
Beijing Innovation Center for Future Chips
Tsinghua University, Beijing, China

03/2012-05/2012: Visiting Professor
College of Computer Science
Zhejiang University, Hanzhou, China

01/2012-03/2012: Visiting Professor
Department of Electronic Engineering
Tsinghua University, Beijing, China

01/2003-08/2003: Visiting Associate Professor
Department of Electronic and Computer Engineering
Hong Kong University of Science and Technology, Hong Kong, China

2000–2008: Associate Professor, Department of Computer Science and Engineering with tenure, University of Notre Dame

08/1993-08/1996: Assistant Professor
Department of Electrical and Computer Engineering
with a joint appointment from the Department of Computer Science
Western Michigan University, Kalamazoo, Michigan

12/1989-12/1993: Senior Research Engineer
Electrical and Electronics Engineering Dept.
General Motors Research Laboratories, Warren, Michigan

09/1984-8/1985: Design Engineer
IC Design Center, Delco Electronics, Kokomo, Indiana