John C. Ries, Ph.D.
Senior Research Scientist
Research Interests
John Ries is a senior research scientist at the Center for Space Research at The University of Texas at Austin. His research interests include orbit mechanics, geodesy, relativity, and the application of computers and computational techniques to the solution of problems in those areas. He has worked with laser range, altimeter, and Doppler data from satellites such as LAGEOS-1/-2, Starlette, Stella, Ajisai, SeaSat, ERS-1/-2, SPOT-2, and TOPEX/POSEIDON. His current efforts are toward improving precision orbit determination for the Jason-1 altimeter mission and gravity model determination for the Gravity Recovery and Climate Experiment (GRACE)./
Education
Ph.D., Aerospace Engineering, The University of Texas at Austin, 1989