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The Southwest Region covers Arizona, California, Nevada, and a small portion of southern Oregon. The Regional Office is headquartered in Sacramento. We encourage you to contact us. The regional office employee directory is arranged by last name in alphabetical order.

Contacts

Employee Directory

Job Title Name Email Phone
Program Analyst Oscar Daniels odaniels@usgs.gov 916-278-9558
USGS ShakeAlert Earthquake Early Warning System Robert Michael de Groot rdegroot@usgs.gov 626-583-7225
Software Developer Colin Keating ckeating@usgs.gov (916) 278-3000
Hydrologist Hieu (Tommy) Ly hly@usgs.gov (916) 278-3000
Regional Management Officer Rona Peters rypeters@usgs.gov 916-278-9558
Deputy Regional Director Jane Reid jareid@usgs.gov 831-460-7402
Executive Assistant Rachel Sackett rsackett@usgs.gov 916.978-2161
Program Officer & Tribal Liaison Russell Taylor-Grimes rtaylor-grimes@usgs.gov 916-278-3000
Associate Regional Director Darrin Thome dthome@usgs.gov 916-978-2156
Regional Safety Manager Eric Williams ewilliams@usgs.gov 916-278-9429
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