Experience

Scattering theory applied to the microwave brightness of the Earth and planets

Develop and use ice-sounding radar to study glaciers in Alaska and Antarctica

Develop and calibrate Land-Surface Process/Radiobrightness (LSP/R) models of land-atmosphere energy and moisture fluxes for prairie and arctic tundra

Develop new technology radiometers

Co-Investigator for Apollo 17 Surface Electrical Properties experiment

Co-Investigator on Shuttle Imaging Radar –A and –C

The University of Michigan, Ann Arbor 7/03-present – Associate Chair Electrical Engineering and Computer Science

9/88-present – Professor of Electrical Engineering and Computer Science

9/94-present – Professor of Atmospheric, Oceanic, and Space Sciences

9/95-8/98 – Associate Dean, Rackham School of Graduate Studies

9/03-present – Associate Chair, Dept of Electrical Engineering and Computer Science

National Aeronautics and Space Administration, Houston, TX 8/79-8/99 – Senior Scientist Astronaut

9/82-10/85 – Mission Specialist, Spacelab 2 flight on Shuttle Challenger

6/86-8/87 – Program Scientist for Space Station

9/87-5/88 – Visiting Professor, Rice University

U.S. Geological Survey, Reston, VA

8/76-8/79 – Deputy Chief of Office of Geochemistry and Geophysics

U.S. Geological Survey, Golden, CO

8/72-7/76 – Research Geophysicist

National Aeronautics and Space Administration, Houston, TX 8/67-7/72 – Scientist Astronaut

7/69-5/70 – Apollo 13 Mission Scientist

6/70-6/72 – Apollo 16 Mission Scientist