Professor, F. Joseph Halcomb III, M.D. Department of Biomedical Engineering, University of Kentucky, 2016-present
Associate Professor, Department of Biomedical Engineering, University of Kentucky, 2012-2016
Assistant Professor, Center for Biomedical Engineering, University of Kentucky, 2007-2012
Research Assistant professor, Physics and Astronomy, University of Pennsylvania, 2006-2007
Senior Research Investigator, Physics and Astronomy, University of Pennsylvania, 2004-2006
Research Associate, Physics and Astronomy, University of Pennsylvania, 2002-2004
Postdoctoral Fellow, Physics and Astronomy, University of Pennsylvania, 2001-2002
Research Scientist, Physikalisch-Technische Bundesanstalt (PTB), Germany, 1999-2001
Ph.D., Biomedical Engineering, Tianjin University, China, 1999
Near-Infrared Diffuse Optical Spectroscopy/Tomography