Department Directory


Patrick Ball

Postdoctoral Associate

Kerstin Braun


Paleoclimatology, stable isotope geochemistry

Ronald Karpilo Jr

Research Associate II, National Park Service Cooperator

Stephanie O'Meara

Senior Research Associate, National Park Service

Angela Sharpe

Academic Success Coordinator

Holly Stein

Director, AIRIE Program, Senior Research Scientist & Joint Professor

I am founding director of the externally-funded AIRIE Program, a geologist and isotope geochemist, who applies Re-Os to mineral and hydrocarbon resources, and climate perturbations in Earth’s history.

Trista Thornberry-Ehrlich

Research Associate III, National Park Service Cooperator

Providing natural resource management support to National Park Service units across the country

Patti Uman

Admin Assistant III, Graduate Coordinator

Gang Yang

Sr. Research Associate, AIRIE

Re-Os Geochronology, Geochemistry

Aaron Zimmerman

Research Associate III, AIRIE