2011 to present: Utah Science Technology and Research (USTAR) Endowed Professor, Biological Engineering, Utah State University, Logan UT. 2010-2011: Professor, Biological Systems Engineering, Virginia Tech, Blacksburg, VA. 1996-2009: Associate Professor, Biological Systems Engineering, Virginia Tech, Blacksburg, VA. Current interest is frcational catalytic pyrolysis of biomass feedstocks to fuels and chemicals.