1. Director, NSF I/UCRC (Industry/University Collaborative Research Center) for Integrative Materials Joining Science for Energy Applications (2010-2015), UW-Madison along with Colorado School of Mines, Lehigh University, Ohio State University (lead)
2. Department Chair (2000-2004), Emeritus Professor (May 21, 2024 - present), Professor (1985-2024), Associate Professor (1983-85), Department of Materials Science and Engineering, University of Wisconsin, Madison, WI
3. Associate Professor (1982-83), Assistant Professor (1979-82), Department of Materials Science and Engineering, Carnegie-Mellon University, Pittsburgh, PA
4. Associate Senior Research Engineer (1978-79), General Motors Research Lab, Warren, MI
5. Research Associate (1977-78), Department of Materials Science and Engineering, University of Illinois, Urbana-Champaign, IL
