Associate Professor
Chemistry
University of Missouri-Columbia
Colombia
Director, MU NMR Facility, University of Missouri–Columbia, 2007-present, Director, Charles W. Gehrke Proteomics Center, University of Missouri–Columbia, 2008-present; Co-Director 2001-2008, Office of Research Faculty Fellow, University of Missouri–Columbia, 2004-2008, Director, Chemistry Mass Spectrometry Facility, 1997-present, Associate Professor, University of Missouri, 1994-present, Assistant Professor, University of Missouri, 1989-1994, Postdoctoral Research Associate, IBM T. J. Watson Research Center, 1987-1989,
Analytical and Physical Chemistry, Biological mass spectrometry and separation of complex mixtures, Surface chemistry.