PSI Staff at the 2008 Retreat
Staff and board members at the 2008 PSI Retreat
Front row (l-r): Gil Esquerdo, Chris Holmberg, Kathi Gardner, Mary Bourke, Beatrice Mueller, Cathy Weitz, Kelly Yoder, Bill Hartmann. Second row: Scott Mest, Bill Feldman, Carol Neese, Betty Pierazzo, Candace Kohl, Elaine Owens, Kim Kuhlman, Bruce Barnett, Steve Metzger, Alexis Rodriguez, Paul Abell, Asmin Pathare. Back row: Mark Sykes, Jeff Morgenthaler, Ed Stiles, Melissa Lane, Matt Staid, Aileen Yingst, Tom Prettyman, Tamara Kemnitz, Keith Holsapple, Andrea Philippoff, Rose Early, Jesse Stone, Larry Lebofsky, Nalin Samarasinha, Jack Drummond, Steve Kortenkamp, Anton Ivanov, Ben Smith, John Mason, Matt Balme, Stu Weidenschilling, Les Bleamaster, Bryan Travis (guest), and David Crown.

PSI Staff Directory

Main Tucson office (east wing): (520)622-6300 (voice), (520)622-8060 (fax)
Tucson West Wing: (520)382-0425 + ext (voice), (520)795-3697 (fax)


Name Title Location @psi.edu Phone Ext
Dr. Paul Abell Research Scientist Houston, TX abell 281-483-0293
Dr. Natalia Artemieva Associate Research Scientist Moscow, Russia artemeva 520-622-6300
Dr. Alice Baldridge Associate Research Scientist Pasadena, CA abaldridge 480-620-8894
Dr. Matt Balme Research Scientist Tucson, AZ mbalme 520-622-6300
Bruce Barnett Chief Financial Officer Tucson, AZ barnett 520-322-8925 20
Dr. Susan Benecchi* Associate Research Scientist Baltimore, MD susank 757-256-9751
Daniel C. Berman Associate Research Scientist Tucson, AZ bermandc 520-622-6300
Dr. Mark A. Bishop Associate Research Scientist Adelaide, Australia bishop 011 61 8 8302 2227
Dr. Leslie Bleamaster Research Scientist San Antonio, TX lbleamas 210-437-2805
Dr. Jade Bond Postdoctoral Research Scientist Lexington, KY jbond 520-271-1011
Dr. Mary Bourke Senior Scientist Tucson, AZ mbourke 520-547-3955 55
Thea Cañizo Education Support Specialist Tucson, AZ tcanizo 520-576-6160
Dr. Mary Chapman Senior Scientist Flagstaff, AZ mchapman 928-556-7182
Frank Chuang Research Associate and Software Specialist Chandler, AZ chuang 520-622-6300
Dr. Steven K. Croft Senior Education Specialist Tucson, AZ scroft 520-318-8495
Dr. David Crown Senior Scientist and Assistant Director Tucson, AZ crown 520-322-8925 17
Dr. Donald R. Davis* Senior Scientist Tucson, AZ drd 520-322-8925 32
Dr. Deborah Domingue Lorin* Senior Scientist Laurel, MD domingue 410-569-2296
Dr. Jack Drummond * Senior Scientist Albuquerque, NM drummond 505-846-5854
Rose Early Software Developer Tucson, AZ early 520-622-6300 18
Gil Esquerdo* Research Assistant Tucson, AZ esquerdo 520-622-6300
Dr. Mark Everett Senior Scientist Tucson, AZ everett 520-322-8925 38
Dr. William C. Feldman Senior Scientist Tucson, AZ feldman 505-667-7372
Kathi Gardner IT Technician Tucson, AZ kgardner 520-547-3953
Dr. Robert W. Gaskell Senior Scientist Altadena, CA rgaskell 626-791-2646
Dr. Cyrena A. Goodrich* Senior Scientist Chester, VT cgoodrich 802-875-1509
Dr. Jennifer Grier* Senior Scientist and Education Specialist Columbia, MD jgrier 520-622-6300
Dr. Nader Haghighipour Associate Research Scientist Honolulu, HI nader 808-772-1807
Dr. Lijie Han Senior Scientist Tucson, AZ han 520-547-3978 59
Dr. William K. Hartmann* Senior Scientist Tucson, AZ hartmann 520-322-8925 13
Chris Holmberg Asst. Administrator and Newsletter Editor Tucson, AZ chris 520-322-8925 10
Dr. Keith Holsapple* Senior Scientist Seattle, WA holsapple 206-543-6198
Dr. Rossman P. Irwin, III Research Scientist Greenbelt, MD irwin 571-215-6025
Dr. Anton Ivanov Senior Scientist Lausanne, Switzerland anton 520-622-6300
Dr. Sumita Jayaraman Senior Scientist Cupertino, CA sumita 520-547-3957 57
Tamara Kemnitz Information Technology Manager Tucson, AZ tkemnitz 520-547-0955
Dr. Amy Trueba Knudson Associate Research Scientist Seattle, WA knudson 520-622-6300
Dr. Steve Kortenkamp Senior Scientist Tucson, AZ kortenka 520-322-8925 22
Dr. Kimberly Kuhlman Senior Scientist Evansville, WI kuhlman 608-882-0792
Dr. Melissa Lane Senior Scientist Phoenix, AZ lane 602-485-9400
Dr. Larry Lebofsky* Senior Education Specialist Tucson, AZ lebofsky 520-621-6947
Dr. Jian-Yang Li* Senior Research Associate College Park, MD jyli 301-405-2103
Dr. Scott Mest Research Scientist Greenbelt, MD mest 520-622-6300
Dr. Stephen Metzger Associate Research Scientist Reno, NV metzger 520-622-6300
Dr. Joseph Michalski Research Scientist Paris, France michalski 011 33 0 6 07 32 91 82
Dr. Jeff Morgenthaler Senior Scientist Ft. Kent, ME jpmorgen 207-834-3595
Dr. Beatrice Mueller* Senior Scientist Tucson, AZ muller 520-547-3950 64
Dr. Carol Neese* Senior Research Associate Tucson, AZ neese 520-322-8925 38
Dr. Eldar Noe Dobrea Research Scientist San Diego, CA eldar 858-552-2620
Dr. David O'Brien * Research Scientist Tucson, AZ obrien 520-547-3977
Elaine Owens Office Manager Tucson, AZ psikey 520-322-8925 11
Dr. Asmin Pathare Research Scientist Pasadena, CA pathare 626-395-6791
Dr. Randall Perry Research Scientist Seattle, WA
London, UK
rperry 206-543-6229
011-44-207594-6425
Dr. Elisabetta Pierazzo Senior Scientist Tucson, AZ betty 520-547-3951 51
Dr. Karly Pitman Associate Research Scientist Pasadena, CA pitman 818-354-4825
Andrea Philippoff Research Assistant Tucson, AZ ajphil 520-547-3956
Dr. Tom Prettyman Senior Scientist Albuquerque, NM prettyman 520-622-6300
Dr. Robert C. Reedy Senior Scientist Los Alamos, NM reedy 505-672-9519
Dr. Nic Richmond Associate Research Scientist Tucson, AZ nic 520-622-6300
Dr. J. Alexis Palmero Rodriguez Research Scientist Tucson, AZ alexis 520-622-6300
Dr. Nalin Samarasinha* Senior Scientist Tucson, AZ nalin 520-547-3952
Dr. Matthew Staid Research Scientist Angwin, CA staid 520-382-9239
Ed Stiles Public Information Officer Tucson, AZ estiles 520-248-7119
Jesse Stone Software Developer Tucson, AZ jstone 520-622-6300 18
Dr. Mark V. Sykes* PSI Director Tucson, AZ sykes 520-322-8925 28
Dr. Ed Tedesco* Senior Scientist Durham, NH eft 520-622-6300
Dr. Nicholas J. Tosca Associate Research Scientist Cambridge, MA tosca 617-495-7602
Dr. Pasquale Tricarico Associate Research Scientist Tucson, AZ tricaric 520-547-3954
Dr. Stuart J.Weidenschilling* Senior Scientist Tucson, AZ sjw 520-322-8925 23
Dr. Cathy Weitz Senior Scientist Arlington, VA weitz 520-622-6300
Michael Wendell Software Developer Tucson, AZ wendell 520-622-6300 18
Dr. Rebecca Williams Research Scientist Waunakee, WI williams 520-622-6300
Dr. Charles A. Wood Senior Scientist Wheeling, WV cwood 304-243-2468
Dr. R. Aileen Yingst Senior Scientist Green Bay, WI yingst 920-465-2327
Kelly Yoder Sponsored Projects Manager Tucson, AZ kelly 520-322-8925 16

Matthew A. Chamberlain (Univ. of Tasmania) - Affiliate Scientist
James N. Head (Raytheon) - Affiliate Scientist
Hideaki Hirdy Miyamoto (U of Tokyo) - Affiliate Scientist
Faith Vilas* (MMTO) - Affiliate Senior Scientist
Yan Jianguo (U. of Wuhan, PRC) - Affiliate Scientist

* An asteroid has been named in honor of this person. Click on the asterisk for more details.


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