Williams' research focuses on the chemical composition of clays and their interactions with organics and microbes.

Hartnett has joint appointments in the School of Earth and Space Exploration and the School of Molecular Sciences. Her current research interests are in the areas of biogeochemistry, astrobiology, and organic geochemistry.

Dr. Thompson is a geochemist with a special interest in marine geochemistry. She is also a professor of geology and environmental science and serves as the Faculty Instructor for the TRIO STEM Program.