John Brophy

NASA JPL - Propulsion Expert
Los Angeles, CA
United States
John Brophy is a JPL Engineering Fellow, an AIAA Fellow, and a specialist in electric propulsion technology for the Jet Propulsion Laboratory, where he has worked since 1985. He received a B.S. in Mechanical Engineering from the Illinois Institute of Technology in 1978, an M.S. and Ph.D. in Mechanical Engineering from Colorado State University (CSU) in 1980 and 1984, respectively. He led the 1991 evaluation in Russia of the SPT-100 Hall thruster developed by the Soviet Union. He helped initiate the NSTAR project to develop a 30-cm diameter ion thruster for flight and then helped get it included in NASA’s New Millennium Deep Space 1 flight test. He was responsible for the development and delivery of the ion propulsion system for NASA’s Dawn mission, and more recently helped pioneer the asteroid retrieval concept currently being considered by NASA for implementation.
Native or Bilingual
Company or OrganizationFunction
NASA Jet Propulsion Laboratory
Principal Engineer - Ion Propulsion