•2015-present Vice-chair, Department of Physical Sciences, Virginia Institute of Marine Science •2013-2015 Division Director, Division of Ocean Science, National Science Foundation, Arlington, VA (initially as acting) •2012-2013 Section Head, Ocean Science Section, National Science Foundation, Arlington, VA •2011-present Federal Science and Research Liaison, Virginia Institute of Marine Science, College of William & Mary, Gloucester Point, VA (inactive during my time of service at NSF) •2007-present Professor, Virginia Institute of Marine Science, the College of William & Mary, Gloucester Point, VA •2000-2006 Associate Professor, Virginia Institute of Marine Science, the College of William & Mary, Gloucester Point, VA •1999-2000 Associate Professor, University of Georgia, Athens, GA •1994-1999 Assistant Professor, University of Georgia, Athens, GA •1992-1993 Post-doctoral Researcher, University of California, Santa Cruz, CA •1988-1992 Graduate Research Assistant, University of Maryland, Cambridge, MD •1987-1988 Sea Grant Trainee, University of Maryland, Cambridge, MD •1988-1987 Horn Point Laboratory Graduate Fellow, University of Maryland •1985-1986 Student Assistant in Marine Biology, University of Miami, Miami, FL