Phone: (520) 622-6300
Fax: (520) 622-8060
E-mail: crown@psi.edu
| 2001- | Research Scientist (2001) and Senior Scientist (2002- ), Planetary Science Institute (Tucson, AZ) | ||
| 2000- | 2002 | Consultant, EventScope Project, Carnegie Mellon University | |
| 1994- | Assistant Professor (1994-2001) and Adjunct Assistant Professor (2001- ), Department of Geology and Planetary Science, University of Pittsburgh | ||
| 1992- | 1993 | National Research Council Research Associate, Jet Propulsion Laboratory | |
| 1985- | 1991 | Graduate Research Associate, Department of Geology, Arizona State University | |
| 1984- | 1985 | Research Assistant, Department of Geological Sciences, Brown University |
| 2002- | Member, Board of Advisors—Science and Exploration, Mars Institute | |
| 2002 | Co-convener, PSI Mars Workshop, Tucson, AZ | |
| 2001- | Member, Board of Trustees, Adler Planetarium & Astronomy Museum, Chicago, IL | |
| 1996- | Member and Chair (1997-1999), Geological Mapping Subcommittee of Cartography and Geologic Mapping Working Group, NASA Planetary Geology and Geophysics Program |
| 1999- | Member, International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) | |
| 1990- | Member, Geological Society of America | |
| 1986- | Member, American Geophysical Union | |
| 1985- | Member, Sigma Xi Science Research Honor Society |
| 2003 | PSI Seminar, Planetary Science Institute, Tucson, AZ | |
| 2003 | Passport to Mars seminar, Smithsonian Journeys, Arizona Inn, Tucson, AZ | |
| 2003 | Department of Planetary Sciences, University of Arizona, Tucson, AZ lectured in Mars class (PTYS 442/542) | |
| 2002 | Branch of Astrogeology, U.S. Geological Survey, Flagstaff, AZ | |
| 2002 | Journey through the Solar System Seminar, Smithsonian Study Tour, Flandrau Science Center, Tucson, AZ | |
| 2002 | Annual Meeting of the Corporation, Adler Planetarium and Astronomy Museum, Chicago, IL | |
| 2002 | Department of Civil and Environmental Engineering Seminar, Carnegie Mellon University, Pittsburgh, PA | |
| 2001 | Edinboro University Planetarium Thursday Night Programs, Edinboro University, Edinboro, PA | |
| 2001 | Department of Geological Sciences Seminar, Southern Methodist University, Dallas, TX | |
| 2001 | Vernadsky Institute-Brown University Microsymposium 33--The Hesperian Period of Mars' History, Lunar and Planetary Institute, Houston, TX |
| 2003- | Principal Investigator, NASA Mars Data Analysis Program | |
| 2001- | Principal Investigator, NASA Mars Global Surveyor Data Analysis Program | |
| 1994- | Principal Investigator, NASA Planetary Geology and Geophysics Program | |
| 2003- | Co-Investigator, NASA Mars Fundamental Research Program | |
| 2002- | Co-Investigator, NASA Planetary Geology and Geophysics Program | |
| 2000- | Co-Investigator, NASA Mars Data Analysis Program | |
| 1999-2001 | Co-Investigator, NASA Planetary Instrument Definition and Development Program | |
| 1998-2000 | Co-Investigator, NSF EAR/Awards to Facilitate Geoscience Education | |
| 1993-1995 | Co-Investigator, NASA Venus Data Analysis Program |