Experience

• Cosmic Origins Program Analysis Group

  Member of the Executive Committee

  The COPAG serves as a community-based, interdisciplinary forum for soliciting and coordinating community analysis and input in support of Cosmic Origin objectives and of their implications for architecture planning and activity prioritization and for future exploration. It provides findings of analyses to the NASA Astrophysics Division Director.

• Cosmic Origins Program Analysis Group

  Vice Chair, Executive Committee

  The COPAG serves as a community-based, interdisciplinary forum for soliciting and coordinating community analysis and input in support of Cosmic Origin objectives and of their implications for architecture planning and activity prioritization and for future exploration. It provides findings of analyses to the NASA Astrophysics Division Director.

• W. M. Keck Observatory

  Chief Scientist

  John worked at W. M. Keck Observatory as a Chief Scientist

• LUVOIR Mission Concept Science & Technology Definition Team

  Cosmic Origins Science Team Lead

  Team lead for the Cosmic Origins science portfolio for the LUVOIR mission concept.

• Vermont Academy of Science and Engineering

  Board Member

  John worked at Vermont Academy of Science and Engineering as a Board Member

• Astronomy and Astrophysics Advisory Committee

  Chair

  The Astronomy and Astrophysics Advisory Committee (AAAC) advises the National Science Foundation (NSF), the National Aeronautics and Space Administration (NASA) and the U.S. Department of Energy (DOE) on selected issues within the fields of astronomy and astrophysics that are of mutual interest and concern to the agencies.