Dr. Braun is a Project Scientist at the UCAR COSMIC Program Office where he is leading the ground based research activities of the group. He received his Ph.D. degree in 2004 from the department of aerospace engineering sciences at the University of Colorado. His research interests include remote sensing of the Earth and its atmosphere using Global Navigation Satellite Systems, the water cycle, and improving observations for initializing numerical weather models. He is a member of both the American Geophysical Union and the American Meteorological Society.