Department Directory

Department Chair: Dr. James Farquhar

Director of Administrative Services: Michelle Montero

IT Services: Todd Karwoski

Graduate Director: Dr. Vedran Lekic

Undergraduate Director: Dr. John Merck

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Name Title Office Phone # Email
Almas, Kiran Shahood Graduate Student CHM 0206C kalmas [at] umd [dot] edu
Andrews, Lucas Graduate Student PHY 2330 andrewsl [at] umd [dot] edu
Arévalo, Ricardo Professor PHY 2332 (301) 405-5352 rarevalo [at] umd [dot] edu
Ash, Richard D. Research Scientist CHM 0227B (301) 405-7504 rdash [at] umd [dot] edu
Bader, James Graduate Student CHM 1210B jabader [at] terpmail [dot] umd [dot] edu
Bermingham, Katherine R. Visiting Assistant Professor kberming [at] umd [dot] edu
Bernhardt, Hannes Assistant Research Scientist PHY 4332 hbernhar [at] umd [dot] edu
Bickerstaff, Kathryn Graduate Student CHM 0210A kbickers [at] umd [dot] edu
Bouyon, Amaury Post-Doctoral Associate CHM 0210B abouyon [at] umd [dot] edu
Brown, Michael Distinguished University Professor CHM 2229B (301) 405-4080 mbrown [at] umd [dot] edu
Cammarano, Fabio Visiting Associate Research Scientist fc [at] geo [dot] ku [dot] dk
Candela, Philip A. Professor Emeritus candela [at] umd [dot] edu
Centorbi, Tracey L. Lecturer GEO 3116 tlcento [at] umd [dot] edu
Chiappe, Emily Graduate Student CHM 0226 echiappe [at] umd [dot] edu
Clark, Jackie Assistant Research Scientist PHY 4336 jdclark [at] umd [dot] edu
Cottrell, Elizabeth Adjunct Professor cottrelle [at] si [dot] edu
Crudup, Tierra Business Service Assistant GEO 1120 (301) 405-3127 tcrudup [at] umd [dot] edu
Dann, Ashley B. Graduate Student CHM 1223B adann11 [at] umd [dot] edu
Desikamani, Sumedha Graduate Student GEO 2112 sumedhad [at] umd [dot] edu
Doerrler, Andrew Faculty Assistant CHM 1212D adoe76 [at] umd [dot] edu
Dottin, James W. Visiting Post-Doctoral Associate jdottin [at] umd [dot] edu
Evans, Michael N. Professor CHM 1212B (301) 405-8763 mnevans [at] umd [dot] edu
Faison, Tytrice Graduate Student CHM 0206C tjfaison [at] umd [dot] edu
Famiglietti, Julia Graduate Student BMS 3122 juliafam [at] umd [dot] edu
Farquhar, James Distinguished University Professor and Chair CHM 0217B (301) 405-5043 jfarquha [at] umd [dot] edu
Fei, Yingwei Adjunct Professor fei [at] gl [dot] ciw [dot] edu
Finlayson, Valerie Assistant Research Scientist CHM 0222 vfinlays [at] umd [dot] edu
Fitzgerald, Maria Graduate Student GEO 4106 mgcf [at] umd [dot] edu
Gan, Tian Post-Doctoral Associate CHM 0208 gantian [at] umd [dot] edu
Gansler, Kathryn Graduate Student CHM 1223A ganslerk [at] umd [dot] edu
Gatewood, Bernadette Business Manager ATL 3417 (301) 314-2785 gatewood [at] atmos [dot] umd [dot] edu
Giles, Jacob Graduate Student PHY 4310 jdgiles [at] umd [dot] edu
Hager, Travis Post-Doctoral Associate CHM 1211B tfhager [at] umd [dot] edu
Haghnegahdar, Mojhgan A. Post-Doctoral Associate BMS 3119 mojhganh [at] umd [dot] edu
Hanna, Ashley M. Graduate Student GEO 4105 ahanna13 [at] umd [dot] edu
Harris, John Graduate Student GEO 1113 jharri20 [at] umd [dot] edu
Helz, George Affiliate Professor Emeritus CHM 3103 (301) 946-3785 helz [at] umd [dot] edu
Hoff, Christiana Graduate Student CHM 0210A ckhoff [at] umd [dot] edu
Holtz, Thomas R. Principal Lecturer CHM 1225B (301) 405-6965 tholtz [at] umd [dot] edu
Huang, Mong-Han Associate Professor GEO 3108 (301) 405-1311 mhhuang [at] umd [dot] edu
Jaross, Elaine Graduate Student GEO 4108 ejaross [at] umd [dot] edu
Johnson, Tim Visiting Assistant Professor tim.johnson [at] curtin [dot] edu [dot] au
Karwoski, Todd M. Faculty Specialist GEO 1115 (301) 405-0084 karwoski [at] umd [dot] edu
Kaufman, Alan Jay Distinguished University Professor CHM 0217A (301) 405-0395 kaufman [at] umd [dot] edu
Kaushal, Sujay S. Professor CHM 1225A (301) 405-0454 skaushal [at] umd [dot] edu
Khatib, Aisha Graduate Student PHY 4308 akhatib1 [at] umd [dot] edu
Kim, Doyeon Visiting Assistant Professor dk696 [at] cornell [dot] edu
Kim, Kyle Graduate Student GEO 2112 kkim1228 [at] umd [dot] edu
King, Nancy Administrative Assistant CHM 0223B (301) 405-2009 nking124 [at] umd [dot] edu
Lastner, Alexander Graduate Student GEO 4103 alastner [at] umd [dot] edu
Lathrop, Daniel P. Professor ERF 1201J (301) 405-1594 lathrop [at] umd [dot] edu
Lee, Yewon Graduate Student CHM 1221A yewonlee [at] umd [dot] edu
Lekić, Vedran Professor GEO 3113 (301) 405-4086 ved [at] umd [dot] edu
Liu, Hongfei Visiting Assistant Research Scientist CHM 1217B hfliu [at] umd [dot] edu
Mackwell, Stephen Adjunct Professor PHY 1330 smackwel [at] umd [dot] edu
Magen, Cédric Associate Research Scientist BMS 3121 (301) 314-1557 cmagen [at] umd [dot] edu
Maguire, Ross rmaguire [at] unm [dot] edu
Mandolini, Tommaso Post-Doctoral Associate CHM 1210B tomnd [at] umd [dot] edu
McDonough, William F. Professor Emeritus mcdonoug [at] umd [dot] edu
Merck, John W. Principal Lecturer GEO 1119 (301) 405-4379 jmerck [at] umd [dot] edu
Mon, Ashley Faculty Assistant CHM 1511 amon [at] umd [dot] edu
Montero, Michelle Director of Administrative Services CHM 2223B (301) 405-4065 mmontero [at] umd [dot] edu
Montési, Laurent G. J. Professor CHM 1221B (301) 405-7534 montesi [at] umd [dot] edu
Moyer, Benjamin Graduate Student PHY 4310 blmoyer [at] umd [dot] edu
Mullen, Jennie-Jin Graduate Student GEO 4104 jmullen2 [at] umd [dot] edu
Murtugudde, Raghu Affiliate Professor ESSIC 4025 (301) 314-2622 mahatma [at] umd [dot] edu
Naseem, Mariam Graduate Student PHY 4308 mnaseem [at] umd [dot] edu
Newcombe, Megan E. Assistant Professor GEO 3106 (301) 405-2783 newcombe [at] umd [dot] edu
Núñez, Karla Graduate Student CHM 1223A knunez12 [at] terpmail [dot] umd [dot] edu
Patterson, Joanna Accounting Associate GEO 1117 (301) 405-4365 jpatter1 [at] umd [dot] edu
Pedersen, Matthew Graduate Student CHM 1212D mpederse [at] umd [dot] edu
Penniston-Dorland, Sarah Professor CHM 0229 (301) 405-6239 sarahpd [at] umd [dot] edu
Piccoli, Philip M. Research Scientist GEO 1109 (301) 405-6966 piccoli [at] umd [dot] edu
Plescia, Jeffrey Adjunct Professor Jeffrey.Plescia [at] jhuapl [dot] edu
Prestegaard, Karen L. Associate Professor GEO 3117 (301) 405-6982 kpresto [at] umd [dot] edu
Puchtel, Igor S. Research Scientist CHM 0220 (301) 405-4054 ipuchtel [at] umd [dot] edu
Puchtel, Valentina Faculty Assistant CHM 0220 (301) 405-5350 vpuchtel [at] umd [dot] edu
Raith, Madeline Graduate Student PHY 2330 mraith1 [at] umd [dot] edu
Roberts, James Adjunct Assistant Professor James.Roberts [at] jhuapl [dot] edu
Rudnick, Roberta L. Adjunct Emerita Professor rudnick [at] geol [dot] ucsb [dot] edu
Ryan, Megan Graduate Student CHM 1210B mryan121 [at] umd [dot] edu
Sanders, Cecilia B. Assistant Professor (as of July 1, 2025) sander5 [at] umd [dot] edu
Schmerr, Nicholas C. Associate Professor GEO 3115 (301) 405-4385 nschmerr [at] umd [dot] edu
Shahar, Anat Adjunct Professor ashahar [at] ciw [dot] edu
Shahid, Saffat Graduate Student GEO 4107 sshahid2 [at] umd [dot] edu
Shelton, Sydney Graduate Student CHM 1221A sydneys8 [at] umd [dot] edu
Shubham, Sourabh Graduate Student CHM 1223A sourabh [at] umd [dot] edu
Siegrist, Galt Professor Emeritus g.a.siegrist [at] gmail [dot] com
Sita, Madelyn Graduate Student GEO 2112 msita2 [at] umd [dot] edu
Slaughter, Weston Graduate Student CHM 1223B wslaught [at] umd [dot] edu
Stepien, Kathleen Graduate Student CHM 0210A kstep [at] umd [dot] edu
Stifel, Peter B. Associate Professor Emeritus stifel [at] friend [dot] ly [dot] net
Sun, Jiayang Graduate Student BMS 3122 jiayangs [at] umd [dot] edu
Sunshine, Jessica Professor ATL 1207F (301) 405-1045 jsunshin [at] umd [dot] edu
Tornabene, Hope CHM 0222 hopet [at] umd [dot] edu
Turner, Austin Graduate Student BMS 3122 arturner [at] umd [dot] edu
Udell-Lopez, Kathrine Graduate Student GEO 4107 kudell [at] umd [dot] edu
Varah-Sikes, Cosmo Graduate Student GEO 2112 cvarahsi [at] umd [dot] edu
Vig, Zachary Graduate Student GEO 4101 zvig [at] umd [dot] edu
Walker, Richard J. Distinguished University Professor CHM 0228 (301) 405-4089 rjwalker [at] umd [dot] edu
Wang, Jingchuan Post-Doctoral Associate GEO 1113 jcwang1 [at] umd [dot] edu
Willhite, Lori Graduate Student CHM 0226 lnw [at] umd [dot] edu
Williams, Edward Graduate Student PHY 4310 ewilli17 [at] umd [dot] edu
Williams, Mikayla Graduate Student BMS 3122 mwilli64 [at] umd [dot] edu
Wollney, Jenna Faculty Assistant CHM 1212E (301) 405-6980 jwollney [at] umd [dot] edu
Wylie, Ann G. Professor Emerita GEO 1121 (301) 405-4079 awylie [at] umd [dot] edu
Zega, Zachary Graduate Student CHM 1211B zega [at] umd [dot] edu
Zeng, Ning Affiliate Professor ATL 2417 (301) 405-5377 zeng [at] atmos [dot] umd [dot] edu
Zhang, Ziqi Post-Doctoral Associate GEO 3107 zzq [at] umd [dot] edu
Zhu, Wenlu Professor CHM 1210A (301) 405-1831 wzhu [at] umd [dot] edu
Zhu, Mengqiang Associate Professor CHM 1217A (301) 405-9117 mqzhu [at] umd [dot] edu
Zipparo, Sophia Graduate Student CHM 1227 szipparo [at] umd [dot] edu

Department Rooms

Room Location Point of Contact
Rock Preparation and Mineral Separation Labs CHM 0212, CHM 0234
Geochemistry Conference Room CHM 0215

Reservations
Sample Preparatory Labs CHM 0219, CHM 0221 Inquiries: Igor Puchtel
Senior's Room CHM 1215

Teaching Schedule
Inquiries: Todd Karwoski
Conference Room CHM 2223C

Reservations
Photocopy, Mailroom GEO 1118
Freshman Geology Lab GEO 2106
Geology Majors Lab I GEO 2107
Geology Majors Lab II GEO 2117
Museum GEO 2118

Reservations
Storage GEO 4112 Inquiries: Philip Piccoli
Rock Storage Facility JUL 1108