Central and District Geotechnical Staff:

Central Bureau of Bridges Structures, Foundations Geotechnical Engineer (CE-6) – Brad Hessing (217) 782-7773

  1. Geotechnical Planning, Design and Construction Engineer (CE-5) – Vacant(217)782-2704
  2. SGR, Foundation Design and Review Engineer (CE-3) – Edgar Galofre (217) 557-8239
  3. SGR, Foundation Design and Review Engineer (CE-2) – Doris Gonzalez (217) 558-2298
  4. SGR, Foundation Design and Review Engineer (CE-1) –Veronica Castro Soto (217)524-4481
  5. SGR, Foundation Design and Review Engineer (CET) – Vacant (217)-785-1462

Central Bureau of Materials, Soils and Concrete Engineer (CE-6) – Dan Tobias (217) 782-2912

  1. Central Office Geotechnical Engineer (CE-5) – Heather Shoup (217)785-9972
  1. Geotechnical Field Engineer (CE-3) – Paul Guthrie (217) 524-0633
  2. Soils Laboratory Supervisor – Kurt Schmuck (217) 782-0870
  3. Soils Instrumentation Laboratory Supervisor – Trevor Satterlee (217) 782-1057

District 1, Geotechnical Engineer (CE-5) –Giancarlo Gierbolini (847) 705-4003

  1. Geotechnical Analysis Engineering Supervisor (CE-4) – Robert Claussen (847) 705-4735
  2. Drill Crew Supervisor (GEO-3) – Mike Esposito (847) 741-5303
  3. Geotechnical Field Inspection Supervisor (CE-4) –Vacant (847) 705-4289
  1. Construction Inspection Engineer (CE-3) – John Kim (224) 612-2294
  2. Construction Inspection Technician (ET-4) –Youth Phaiboun (847) 504-6157
  3. Construction Inspection Technician (ET-4) –Dan Cortese (847) 204-8446

District 2,Geotechnical Engineer (CE-5)–Jan Twardowski (815) 284-5429

  1. Soils and Foundations Analyst (GEO-2) –Nathan White(815) 284-5435
  2. Drill Crew Supervisor (ET-4) – Wally Garza (815) 284-5978
  1. Construction Inspection Technician (ET-4) – Byron Wetzell (815) 284-5439

District 3,Geotechnical Engineer (CE-5) –Vacant (815) 433-7098

  1. Geotechnical Technician (ET-4) –Jeremy Krug(815) 433-7078
  2. Lab Testing, Classification, and Geology Reports (GEO-4) –Vacant
  3. Drill Crew Supervisor (ET-4) –Ray Ferrari (815) 433-7100
  4. Geologist (GEO-3) – Larry Myers (815) 433-7100
  5. Embankment Density Supervisor (ET-4) – Vacant

District 4,Geotechnical Engineer (CE-5)–Joe Olson (309) 671-3675

  1. Geotechnical Technician (ET-4) –Darren Reents (309) 671-3674
  1. Lab Testing and Classification (ET-3) – Vacant
  2. Laboratory Technician – Joan Withrow (309) 671-3673
  1. Drill Crew Supervisor (ET-4) – Vacant

District 5, Geotechnical Engineer (CE-5) -- Rustin Keys (217) 466-7271

  1. Geotechnical Technician (ET-4) -- Vacant

District 6,Geotechnical Engineer (CE-5) – Brian Laningham (217) 782-6709

  1. Geotechnical Investigations Engineer (CE-3) –Sadie Jones (217) 782-6703
  2. Drill Crew Supervisor (GEO-3)–Vacant (217) 836-4204
  3. Nuclear Density Supervisor (ET-4) –Ryan Stauffer (217) 720-3673
  1. Construction Inspection Technician (ET-3) –Clint Barnhart (217) 370-0842

District 7, Geotechnical Engineer (CE-5)–Scott Kassel (217) 342-8233

  1. Drill Crew Supervisor (ET-4) –Eric Sandschafer (217) 342-8306

District 8, Geotechnical Engineer (CE-5)–Ve’Niecy Pearman-Green (618) 346-3313

  1. Geotechnical Investigations Engineer (CE-3) –Sarah Wiszkon(618) 346-3309
  2. Drill Crew Supervisor (ET-4) – Vacant
  3. Nuclear Density Supervisor(ET-4) – Rodney Dustmann(618) 444-2937
  1. Construction Inspection Technician (ET-3)–Errol Collie (618) 444-2757
  2. Construction Inspection Technician (ET-3) – John Richardson (618) 444-2501

District 9, Geotechnical Engineer (CE-5) -- Aaron Hayes (618)-351-5272

  1. Drill Crew Supervisor (ET-4) –Lee Estel (618) 351-5272
  2. Geotechnical Field Supervisor (ET-4) –Heath Gorden (618) 351-5271
  1. Field Density Inspector (ET-3)–Tim Hammon (618) 549-2171