![Will Altizer](https://www.colorado.edu/geologicalsciences/profiles/express/modules/features/people_content_type/images/avatar320.jpg)
Will Altizer
Department Research Administrator (DRA)
Geological Sciences
![Kara's photo in navy blue shirt and white scarf.](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/kara_bajdas_final_1_brick_landscape_4_crop_geol_website.jpg?itok=ACZF3pTj)
Kara Bajdas
Graduate Program Administrator
Geological Sciences
![Marilynn Bender](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/marilynn_bender.jpg?itok=kuQ2ZIEz)
Marilynn Bender
Accounting Tech III
Geological Sciences
![Brett Bertok](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/buff_onecard_headshot_0.jpg?itok=BR-3wJHu)
Brett Bertok
Undergraduate Program Administrator
Geological Sciences
![Paige Herbert](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/pherbert.jpg?itok=KaVrmlxE)
Paige Herbert
Front Desk Student Assistant
Geological Sciences
![Kevin Mahan](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/kevin_headshot_crop_done.jpg?itok=1iZ7JgmS)
Kevin Mahan
Professor • Associate Chair of Graduate Studies
Geological Sciences
![Dan Mitchell](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/dm.jpg?itok=MbmKNVFx)
Dan Mitchell
System Administrator • Building Proctor • Property Manager • Telecommunications Liaison • Key Liaison/SwipeAccess
Geological Sciences
![Anne Sheehan](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/sheehan_anne.jpg?itok=ooHqsJ6Q)
Anne Sheehan
Professor • Department Chair
Geological Sciences • CIRES
![Jennifer Stempien](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/img33.jpg?itok=JTiy4Z9x)
Jennifer Stempien
Teaching Associate Professor • Associate Chair of Undergraduate Studies
Geological Sciences
![Anne Marie Summers](https://www.colorado.edu/geologicalsciences/sites/default/files/styles/large_square_thumbnail/public/people/annemariesummers.png?itok=8m95mEm-)
Anne Marie Summers
Manager of Finance and Business Operations
Geological Sciences