Skip to main content
U.S. flag

An official website of the United States government


Science Analytics and Synthesis (SAS), a program within the Core Science Systems (CSS) Mission Area, offers a comprehensive spectrum of skills, products, and services that enhance scientific research capabilities within the United States Geological Survey (USGS).


Social Media


Employee Directory

Job Title Name Email Phone
Biologist Abby Benson 303-202-4087
Data Manager - Physical Scientist Grace Cornelison Donovan 303-202-4521
Computer Scientist Jeff Falgout 303-202-4261
Biologist Stephen K Formel, PhD
Associate Program Coordinator Michael T Frame 865-576-3605
Advanced Research Computing Team Lead Janice Gordon 303-202-4225
Community Coordinator - Physical Scientist Leslie Hsu 303-202-4080
Branch Chief, Science Data Management Vivian B Hutchison 303-202-4227
Repository Lead - Geographer Drew Ignizio 303-202-4082
Scientist Emeritus Keith Kirk 831-460-7559
Data Manager - Biologist Madison L. Langseth 303-202-4088
Computer Scientist R. Lopaka Lee 808-967-8883
Data Manager - Librarian Amanda Liford 303-236-1000
Biologist / Information Specialist Elizabeth Martin
Data Manager - Physical Scientist Ricardo McClees-Funinan
Program Coordinator, Science Synthesis, Analysis and Research Cheryl Morris 303-202-4774
Data Manager - Biologist Tamar Norkin
Data Scientist - Biologist Elizabeth Sellers 703-648-4385
Data Scientist Brandon S Serna
Computational Scientist Jeff Tracey 619-225-6420
Scientist Daniel Wieferich 303-202-4603
Computer Scientist Brad Williams 303-202-4229
Supervisory Research Ecologist Mark T Wiltermuth 608-769-2248
Data Scientist - Librarian Lisa Zolly 303-202-4157