Experience:

• 1997-present: Senior Scientist and Professor, Department of Astronomy and Astrophysics, Pennsylvania State University

• 1998-2001: Consultant, Swales Aerospace, providing expert advice on CCD development program for the GOES-N Solar X-ray Imager

• 1989-1997: Senior Research Associate and Associate Professor, Department of Astronomy and Astrophysics, Pennsylvania State University

• 1989: Consultant, Universities Space Research Association

• 1988: Appointed member of the Graduate Faculty, Pennsylvania State University

• 1983-1989: Research Associate, Department of Astronomy, Pennsylvania State University

• 1982-1983: Research Associate, Department of Physics, University of Wisconsin-Madison