Associate Professor, Department of biological & Agricultural Eng., University of Arkansas, 2014 – Present
Assistant Professor, University of Arkansas, 2007 – 2014
Research Scientist, USDA/ARS, 2005 – 2007
Post-doctoral Research Associate, Iowa State University, 2002 – 2005
Graduate Research Assistant, University of Alberta, Canada, 1995-2000
MS Agricultural Engineering China Agricultural University, Beijing, China, 1995
BS Agricultural Engineering China Agricultural University, Beijing, China, 1990