Citizen Science Officer, Science Mission Directorate, 2018--
Member, SEEC ISFM Work Package Team, 2018--
Member, EIMM ISFM Work Package Team, 2018--
NASA ADAP Review Panelist, 2018
PI, Backyard Worlds: Planet 9 Citizen Science Project, 2017-
Lead Organizer, National Capital Area Disks (NCAD) Meeting, 2016
PI, DiskDetective.org citizen science website. Launched 2014
Science Team. PICTURE-C Coronagraph, 2014
WFIRST-AFTA Study Scientist, 2014
NASA HQ Research and Analysis Working Group, SERA Program, 2014
Science Team, ACESat: Alpha Centauri Exoplanet Satellite, 2014
JWST Communications Scientist, 2014
NASA Exoplanet Exploration Program Science and Technology Definition Team, 2013-
Science Team, BENI Explorer mission (proposed), 2012-
Scientific Organizing Committee, Planets Around Stellar Remnants meeting, 2011
EXCEDE Explorer Mission Proposal Science Team, 2011
SPICES ESA Medium-Class Mission Proposal Science Team, 2011
Scientific Organizer, NASA GSFC Signposts of Planets meeting, 2011
Scientific Organizing Committee, Disks, Meteorites, and Planetesimals meeting, 2010
NASA Goddard Space Center Astrobiology Team (PI Mike Mumma), 2009–2014
Keck/IRTF Management and Operations Working Group, 2009–2011
NASA TDEM Review Panel, 2009–
eXtrasolar Planet Characterizer (XPC) Science Team, 2008–2009
Bern International Space Science Institute Team, Exozodiacal Dust Disks and DARWIN, 2007–
Scientific Organizing Committee, Extreme Planetary Systems, Santorini, 2007 Science Director’s Council, Goddard Space Flight Center, 2007
Astrophysics Science Division Prize Committee, Goddard Space Flight Center, 2007
Scientific Organizing Committee, TPF/Darwin Conference, 2006
New Worlds Discoverer Science Team, 2006–
Gemini/Near Infrared Coronagraphic Imager(NICI) Campaign Science Team, 2005
Chair, Lab Chief Search Committee, GSFC Exoplanets and Stellar Astrophys. Lab., 2006
Subaru HiCiao Adaptive Optics Instrument Preliminary Design Review Panelist, 2005
Session Chair, STSCI Nearby Resolved Debris Disks Workshop, 2005
Founder and Organizer, “Exoplanet Club” Seminar Series, GSFC, 2005–
Terrestrial Planet Finder Coronagraph Science & Technology Definition Team, 2005–2006 Chair, Committee on Circumstellar Disks
Scientific Organizer (1 of 4), Aspen Winter Conference on Planet Formation, 2005
NASA TPF/SSO Review Panelist, 2004, 2005
Orgainizer, Princeton Conference on General Astrophysics with TPF, 2004
Terrestrial Planet Finder (TPF) Science Working Group, 2002–2004
Chair, Committee on General Astrophysics and Comparative Planetology Northrop Grumman Space Technology TPF Science Advisory Team, 2003
Space Infrared Interferometric Telecsope (SPIRIT) Science Team, 2003–
Founder, Astrobiology Seminar Series, Princeton University, 2003
Aspen Gemini Future Instrumentation Workshop: U.S. Delegate, 2003
Eclipse Coronagraph Science Team, 2002–
Fourier-Kelvin Space Interferometer (FKSI) Science Team, 2002–
Princeton Extra-Solar Planets Advanced Mission Concepts Team, 2002
Harvard-Smithsonian CfA Giant Segmented Mirror Telescope Committee, 2002
Chair, Extrasolar Planets Session, AAS Division of Planetary Sciences Meetings, 2001,2002
Ball Aerospace TPF Architecture Team, 2001
Founder, Planet Formation Discussion Group, Harvard-Smithsonian CfA, 2001
Solar System Dust Panel, Planetary Science Decadal Survey, 2001