Planetary scientist Carolyn Porco Guest Editor, Astrobiology, Special issue on Saturn's moon Enceladus (2017)

Fellow, California Academy of Sciences (2017– )

Visiting Distinguished Scholar, University of California at Berkeley (2015– )

Senior Editor, Astrobiology (2014– )

Distinguished Consultant on TV Content, Discovery Communications (2012– )

Board of Advisors, Project Reason (2011– )

Board of Advisors, Scientific American (2011– )

Science consultant, Star Trek, a Paramount motion picture (2009)

Co-Chair, Enceladus Focus Group (2006– )

CNN guest analyst and space/astronomy commentator, American Morning (2005–2007)

Vice Chair, Solar System Decadal Survey, National Academy of Sciences (2001–2002)

Cassini Science briefing to the U.S. House Subcommittee on Space and Aeronautics (1997)

Mars Sample Return Science and Implementation Committee, Member (1996)

Journal of Geophysical Research: Planets, Associate Editor (1995–1998)

Consultant, Contact, a Warner Brothers motion picture (1994)

Public Communication of NASA's Science, Drs. Carl Sagan and France Cordova, organizers. Invited participant (1994)

Cassini Science briefings to NASA Administrator Daniel Goldin (1994)

Cassini Science presentation to the U.S. Office of Science and Technology Policy (1993)

Solar System Exploration Subcommittee, NASA, Member (1992–1994)

Leader, Imaging Science Team, Cassini Mission (1990– )

Division of Planetary Sciences, AAS, Committee Member (1988–1991)

Leader, Voyager Imaging Team Rings Working Group, Neptune Encounter (1989)

Voyager Imaging Team, Member (1983–1989)