化学与材料学院, 教授, 2012至现在
South Dakota School of Mines & Technology
2010-11至2012-07
Pennsylvania State University
2008-05至2010-10
Korea Institute of Ceramic Engineering and Technology
2002-09至2003-07
2000-07至2002-07
Pennsylvania State University
2003-08至2008-05
1997-09至2000-07
1993-09至1997-07