Staff Directory
Director and State Geologist
Director and State Geologist
Administrative Services
Administrative Services
Randi Bellassai
- Assistant Director, Business-Finance
Research administration, project management
- 520-621-2432
Geoinformatics
Geoinformatics
Andrew Zaffos, Ph.D.
- Chief of Geoinformatics
Paleobiology, Computer Science, Geography, Sequence Stratigraphy
- 520-621-3635
Environmental Geology
Environmental Geology
Ann Youberg, Ph.D.
- Chief of Environmental Geology
Landslides, post-wildfire debris flows
- 520-621-2250
Joseph P. Cook, M.S.
- Research Scientist
Earth fissures, debris flows, Quaternary mapping
- 520-621-2364
Rebecca Beers, M.S.
- Research Scientist III
Geomorphology | Post-Wildfire Debris Flows | Geomorphic Hazards
Chad Kwiatkowski, M.S.
- Research Scientist III
Geologic hazards, Quaternary geologic mapping, post-wildfire debris flows
Basin Analysis
Basin Analysis
Brian F. Gootee, M.S.
- Chief of Basin Analysis
- Tribal Liaison
Geologic mapping, basin analysis, geologic hazards, outreach
- 520-621-2470
Lisa Thompson, M.S.
- Research Scientist
Volcanology, GIS, Basin Analysis, Learning Design
- 520-621-2470
Tawnya C. Wilson, M.S
- Research Scientist
Subsurface characterization, basin analysis, CO2 and H2 geologic storage, sedimentology
- 520-621-2470
Mineral Resources & Bedrock Geology
Mineral Resources & Bedrock Geology
Carson Richardson, Ph.D.
- Chief, Mineral Resources & Bedrock Geology
Mineral deposits, structural geology, and regional geology
- 520-621-2482
Brad Johnson, Ph.D.
- Research Scientist
Bedrock mapping, structural geology, mineral deposits
- 520-621-2470
Nolan Blackford, Ph.D.
- Research Scientist
Kinematics of high-magnitude extension, relationship between extension and magmatism, thermal and structural development of ductile deformation in shear zones, development and/or reactivation of geologic structures during tectonic mode switching
Chong Ma, Ph.D.
- Research Scientist
Formation and evolution of mountain belts; tectonics of continental evolution; Geologic mapping and structural analysis; Whole-rock and zircon geochemistry, Nd and Hf isotopes; U-Pb geochronology, 40Ar/39Ar thermochronology
Calvin Mako, Ph.D.
- Research Scientist
Structural Geology, Metamorphic Petrology, Tectonics, and Geochronology
