Office of the Director
Richard BergDirector & State GeologistIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820rberg@illinois.edu217-244-2776
Steve BrownDeputy Director (ISGS) & Facilities Planning (PRI)Illinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820steebrow@illinois.edu
217-333-5143
Administrative Support
Tina HappAdministrative AssistantIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820tinahapp@illinois.edu217-333-1027
Kathy HenryAdministrative ClerkIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820kmhenry@illinois.edu217-244-8994
Chief Scientists
Mohammad KhadhrawiChief Scientist, Energy & MineralsIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820mrkqtf@illinois.edu217-300-4920
Randy LockeChief Scientist, Research & DevelopmentIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820rlocke@illinois.edu217-333-3866
Section Heads
Yongqi LuSection Head, Applied Research & TechnologyIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820yongqilu@illinois.edu217-244-4985
Scott ElrickSection Head, Bedrock GeologyIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820elrick@illinois.edu217-333-3222
Robin MattheusSection Head, Coastal GeologyIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820mattheus@illinois.edu
Jared FreiburgSection Head, Critical & Strategic MineralsIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820freiburg@illinois.edu217-244-2495
Jason ThomasonSection Head, Earth Characterization CenterIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820jthomaso@illinois.edu217-244-2508
Mark CollierSection Head, Environmental Site AssessmentsIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820mcollier@illinois.edu217-300-1171
Hongbo ShaoInterim Section Head, GeochemistryIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820hbshao@illinois.edu
Mark YacucciSection Head, Geoscience Information StewardshipIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820yacucci@illinois.edu217-265-0747
Nathan WebbSection Head, Subsurface Energy ResourcesIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820ndwebb2@illinois.edu217-244-2426
Geoff PociaskSection Head, Wetlands GeologyIllinois State Geological Survey615 East Peabody Dr.MC-650Champaign, IL 61820pociask@illinois.edu217-265-8212