Academic Personnel Faculty
![Estella Atekwana, the dean of the College of Letters and Science, stands in front of the college on November 22, 2021.](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_AtekwanaEstellaSF.jpg?h=c928a9b7&itok=UZ-oNbNT)
Estella Atekwana
Distinguished Professor
College of Letters and Science Dean's Office
Geophysics
![Photo of Midway Geyser Basin in Yellowstone National Park representing "Geochemistry and Cosmochemistry".](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_geochem_shutterstock_17516737SFsqnopad.jpg?h=a725780e&itok=O5ZijRFM)
Eliot A. Atekwana
Professor
2133 Earth & Physical Sci
eatekwana@ucdavis.edu | 530-752-3690
Geochemistry and Cosmochemistry; Geology
![Magali Billen photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_billenSFsq.jpg?h=ffed8f21&itok=VD5GBCQt)
Magali I. Billen
Professor and Department Chair
2129 Earth & Physical Sci
mibillen@ucdavis.edu | 530-752-4169
Geophysics
![Kari Cooper](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/KariCooper_IMG_6494_adj.jpeg?h=d0470b75&itok=5zzaailw)
Kari M. Cooper
Professor
3127 Earth & Physical Sci
kmcooper@ucdavis.edu | 530-754-8826
Geology; Geochemistry and Cosmochemistry
![Eric Cowgill photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_cowgillSFsq.jpg?h=ffed8f21&itok=aIIu6tvf)
Eric S. Cowgill
Professor
3121 Earth & Physical Sci
escowgill@ucdavis.edu | 530-754-6574
Geology
![Mark Deblois](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/mark_deblois_headshot.jpg?h=a9a36942&itok=1aZWV_tg)
Mark Deblois
Visiting Assistant Professor
1131 Earth & Physical Sci
mcdeblois@ucdavis.edu | 530-752-0352
Paleobiology and Evolution
![David Gold photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_gold2SFsq.jpg?h=97c04a2e&itok=lFEmUjXi)
David A. Gold
Associate Professor
3125 Earth & Physical Sci
dgold@ucdavis.edu | 530-754-5361
Geobiology and Paleobiology
![cg](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/Screen%20Shot%202023-10-19%20at%204.09.02%20PM.png?h=5fe227eb&itok=0bDfBJLG)
Christy Grettenberger
Assistant Professor
3115 Earth & Physical Sci
clgrettenberger@ucdavis.edu
Earth-Life Interactions
![griffin image](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/Griffin_Headshot.jpg?h=964e44fb&itok=Yw8S6tER)
Alyssa Griffin
Assistant Professor
2131 Earth & Physical Sci
ajgriffin@ucdavis.edu
![Tessa Hill portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_Hill18_0.jpg?h=9cbff3b9&itok=BeCAmN5P)
Tessa M. Hill
Professor
1129 Earth & Physical Sci
tmhill@ucdavis.edu | 530-875-1910
Geochemistry and Cosmochemistry; Geobiology and Paleobiology
![Isabel Montañez photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_montanez_20210428ucdavis_0.jpg?h=2452f0bc&itok=NfyMbDyw)
Isabel P. Montañez
Distinguished Professor
3117 Earth & Physical Sci
ipmontanez@ucdavis.edu | 530-754-7823
Geology; Geochemistry and Cosmochemistry
![Ryosuke Motani photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_motaniSFsq_0.jpg?h=ffed8f21&itok=TqLa8kJk)
Ryosuke Motani
Professor
2125 Earth & Physical Sci
rmotani@ucdavis.edu | 530-754-6284
Geobiology and Paleobiology
![Mike Oskin photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_oskinSFsq2.jpg?h=ffed8f21&itok=Kya9ow6u)
Michael E. Oskin
Professor
3123 Earth & Physical Sci
meoskin@ucdavis.edu | 530-752-3993
Geology
![Dave Osleger photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_oslegerSFsq.jpg?h=ffed8f21&itok=rHXdtLXP)
David A. Osleger
Professor of Teaching
3224 Earth & Physical Sci
daosleger@ucdavis.edu | 530-754-7824
Geology
![Hannah Palmer](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/hanna_palmer.jpg?h=7a79a472&itok=Z8zV0fSp)
Hannah Palmer
Visiting Assistant Professor
1105 Earth & Physical Sci
hmpalmer@ucdavis.edu |
Geochemistry, Oceanography, Paleoclimate, Paleoecology
![Nicholas Pinter photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_pinterSFsq2.jpg?h=ffed8f21&itok=jg2zTa0C)
Nicholas Pinter
Professor
3113 Earth & Physical Sci
npinter@ucdavis.edu | 530-754-1041
Geology
![Barbara Ratschbacher portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_Ratschbacher.jpg?h=ffed8f21&itok=UpfCITct)
Barbara C. Ratschbacher
Assistant Professor
bratschbacher@ucdavis.edu | 530-752-5615
Geochemistry and Cosmochemistry; Geology
![Max Rudolph photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_rudolphSFsq%20.jpg?h=ffed8f21&itok=9GY_VwXp)
Maxwell Rudolph
Associate Professor
1133 Earth & Physical Sci
maxrudolph@ucdavis.edu | 530-752-3669
Geophysics; Planetary Science
![John Rundle photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_rundleSFquare.jpg?h=ffed8f21&itok=q4p7MUFP)
John B. Rundle
Distinguished Professor
2131 Earth & Physical Sci
jbrundle@ucdavis.edu | 530-752-6416
Geophysics
![Dawn Sumner photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_SumnerDawn_SFsq.jpg?h=ffed8f21&itok=pXMsQsnA)
Dawn Y. Sumner
Professor
3111 Earth & Physical Sci
dysumner@ucdavis.edu | 530-752-5353
Geobiology and Paleobiology; Geology; Geochemistry and Cosmochemistry; Planetary Science
![Dr. Chijun Sun](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/chijun%20sun%20headshot_0.jpg?h=2e51561d&itok=oD295CSw)
Chijun Sun
Assistant Professor
3131 Earth & Physical Sci
cjsun@ucdavis.edu | 530-752-9779
Paleoclimate
![Qing-zhu Yin photo portrait](/sites/g/files/dgvnsk2851/files/styles/sf_thumbnail/public/media/images/ID_yinSFsq.jpg?h=ffed8f21&itok=1_6VaMrH)
Qing-zhu Yin
Professor
3129 Earth & Physical Sci
qyin@ucdavis.edu | 530-752-0934
Geochemistry and Cosmochemistry; Planetary Science