Central and District Geotechnical Staff:

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

  1. Geotechnical Planning, Design and Construction Engineer (CE-5) – Brad Hessing (217)-782-2704
  2. Structure Geotechnical Report, Foundation Design and Review Engineer -- Edgar Galofre (217)-557-8239
  3. Structure Geotechnical Report, Foundation Design and Review Engineer – Luke Murphy (217)-524-4481
  4. Structure Geotechnical Report, Foundation Design and Review Engineer – Doris Gonzalez (217)-558-2298
  5. Structure Geotechnical Report, Foundation Design and Review Engineer – Vacant (217)-785-1462

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) 524-4681
  2. Soils Laboratory Supervisor – Kurt Schmuck (217) 782-0870
  3. Coordinator of Testing -- Kathy Winking(217) 782-7213
  4. Soils Instrumentation Laboratory Supervisor – Trevor Satterlee (Acting) (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) 705-4361
  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) -- Todd Ward (847) 221-3177
  3. Construction Inspection Technician (ET-4) -- John Conte (847) 221-3097

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

  1. Soils and Foundations Analyst (GEO-2) -- Vacant
  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) –Matt Strough(acting) (815)-433-7085

  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) 433-7077
  4. Geologist (GEO-3) -- Larry Myers (815) 433-7077
  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
  1. Drill Crew Supervisor (ET-4) -- Vacant

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

  1. Drill Crew Supervisor (GEO-3) -- Chad Arkenberg (217)-466-7361

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

  1. Geotechnical Investigations Engineer (CE-3) -- Sadie Jones (217)-785-5329
  2. Drill Crew Supervisor (GEO-3)-- Mike Tappan (217)-558-6539
  3. Nuclear Density Supervisor (ET-4) -- Barney Hildebrandt (217) 836-4179
  1. Construction Inspection Technician (ET-3) -- Clint Barnhart (217) 558-6538

District 7,Geotechnical Engineer (CE-5) -- Vacant (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) 346-3314
  1. Construction Inspection Technician (ET-3) -- Will Edwards (618) 346-3347
  2. Construction Inspection Technician (ET-3) – John Richardson (618) 346-3347

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

  1. Drill Crew Supervisor (ET-4) -- Rich Moberly (618)-351-5370
  2. Geotechnical Field Supervisor (ET-4) -- Vacant
  1. Field Density Inspector (ET-3) -- Vacant