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Dr. Penina Axelrad is the Joseph T. Negler Professor of Aerospace Engineering Sciences (AES) at the Â鶹ӰԺ, where she has been a faculty member since 1992 and Department Chair from 2012-2017.  In 2019 she was elected as a Member of the National Academy of Engineering.

Her research interests include space situational awareness, technology and algorithms for GPS-based position, navigation, and timing in space, airborne, marine, and land environments, multipath characterization and correction, and remote sensing using GNSS-based reflectometry and radio occultation measurements. She has authored 54 journal papers, 117 conference papers, and served as PI or Co-I on research grants and contracts totaling $9M.

Dr. Axelrad is an active member of the Institute of Navigation (ION), having served in numerous positions including president of the institute and associate editor of the ION journal, Navigation. She is a Fellow of the ION and the American Institute of Aeronautics and Astronautics (AIAA), and a senior member of IEEE. Additional honors include the Lawrence Sperry Award (1996) from the AIAA, Samuel Burka Award (2011) and Johannes Kepler Award (2009) from the ION, Women In Aerospace Educator Award (2015), and University of Colorado Excellence in Leadership Award (2017).

She holds bachelor's and master's degrees from M.I.T. and a Ph.D. from Stanford University.