· University Distinguished Professor, Kansas State University2023–
· Associate Professor, Kansas State University2007–2012
· Senior Research Scientist and Group Lead, NASA Ames Research Center2000–2007
· Research Fellow & Principal Investigator, Institute of Materials Research & Engineering1998–2000
· Applications Scientist, Molecular Imaging Co.1997–1998
· Postdoctoral Research, Cornell University1994–1997
· Ph.D. in Physical Chemistry, Princeton University1989–1995
· Graduate study in Electrochemistry, Wuhan University1988–1989
· B.S. in Chemistry, Wuhan University1983–1987
· McGill