| Jonathan Gardner | NASA Goddard Space Flight Center | Deputy Project Scientist |
| Matt Greenhouse | NASA Goddard Space Flight Center | ISIM Project Scientist |
| Heidi Hammel | Space Science Institute | Interdisciplinary Scientist |
| John Hutchings | Dominion Astrophysical Observatory | CSA Project Scientist |
| Peter Jakobsen | ESA ESTEC | ESA Project Scientist |
| Simon Lilly | University of Toronto | Interdisciplinary Scientist |
| Jonathan Lunine | University of Arizona | Interdisciplinary Scientist |
| John Mather (chair) | NASA Goddard Space Flight Center | NASA Project Scientist |
| Mark McCaughrean | Astrophysics Institute Potsdam | Interdisciplinary Scientist |
| Matt Mountain | Space Telescope Science Institute | Telescope Scientist |
| George Rieke | University of Arizona | MIRI Science Lead |
| Marcia Rieke | University of Arizona | NIRCam Principal Investigator |
| Hans-Walter Rix | MPI for Astronomy, Heidelberg | ESA NIRSpec Science Representative |
| Massimo Stiavelli | Space Telescope Science Institute | Interdisciplinary Scientist |
| Peter Stockman | Space Telescope Science Institute | STScI Project Scientist |
| Roger Windhorst | Arizona State University | Interdisciplinary Scientist |
| Gillian Wright | U.K. Astronomy Technology Centre | ESA MIRI Science Representative |