Professional experience:

Currently:

Expert consultant, Office of the Assistant Director, Biological Sciences, National Science Foundation. Part time appointment to work with biological collections community as they develop a strategic plan for an online biological collections’ resource and to develop program for biological research collections digitization support.

Professora  Emerita, Department of Environmental Science and Policy, George Mason University

Other positions held:

Division Director, Division of Biological Infrastructure, Biological Sciences Directorate National Science Foundation

Deputy Division Director, Division of Biological Infrastructure, Biological Sciences Directorate, National Science Foundation

Professor, Dept of Biology and Dept. of Environmental Science and Policy, George Mason University

Program Director, Division Environmental Biology, Biological Sciences Directorate, National Science Foundation

Program Director, Division of Biological Infrastructure, Biological Sciences Directorate, National Science Foundation

Associate Professor, Dept of Biology,  George Mason University, Fairfax, VA.

Undergraduate Coordinator; Acting Chairman, Department of Biology. GMU

Research and Teaching Faculty at Mt. Lake Biological Station of the University of Virginia. 

Research Associate, Dept. of Paleobiology and Dept. of Botany, Smithsonian Institution, Washington, DC.

Visiting Scientist, United States Geological Survey, Dept. of Paleontology and Palynology, Reston, VA.

Research Associate Scientist, Laboratory for Molecular Systematics and Department of Paleobiology, Smithsonian Institution, Washington, DC

Visiting Professor, Botany and Geology Depts., Univ. of Florida, Gainesville

Visiting Research Associate, Geology Dept., The University, Manchester, England.

Assistant Professor, Dept. of Biology George Mason University.