IL State Geological Survey
Data received May 2025 • FT/PT status not provided.
Full-time employees
153
Median pay
$69,246
Average pay
$73,430
IL State Geological Survey
Employees by pay range
Note: To learn how the Post-Dispatch calculates figures such as the number of full-time employees or median pay, as well as other important explanations and caveats, please see the About page.
Employees
Click on one of the headers below to sort a column. Data shown reflects actual gross pay for 2024, except where noted otherwise.
| Position | Gross pay | Date hired | |
|---|---|---|---|
| Greco, Jennifer Mary | Assoc Res Sci, Geol | $76,725 | July 1, 2008 |
| Grigsby, Nathan P. | Assistant Res Sci, Reservoir Geol | $81,460 | May 6, 2013 |
| Grimley, David Aaron | Prin Res Sci, Quaternary Geol | $96,262 | July 1, 2008 |
| Hacker, Brian L. | Assistant Res Sci, Envrl Geol | $77,769 | July 12, 2010 |
| Hager, Samantha Louise | Sr Sci Spec, GIS | $65,531 | Nov. 14, 2022 |
| Happ, Tina Marie | Administrative Aide | $53,160 | March 13, 2006 |
| Hearn, Lily Elyse | Sci Spec, Envrl Assmt Res | $55,725 | Aug. 21, 2023 |
| Henry, Kathleen Mary | Office Administrator | $61,392 | July 1, 2008 |
| Hill, Ericka | Vst Sci Spec, Wetlands Geol | $24,440 | July 16, 2024 |
| Huot, Sebastien | Vst Res Scholar | $74,992 | Feb. 9, 2015 |
| Ilic, Stefan | Vst Sci Spec, GIS | $43,560 | Jan. 16, 2024 |
| Iranmanesh, Abbas | Assistant Res Sci, Geochemistry | $69,246 | July 1, 2008 |
| Johnson, Michelle Allison | Project Manager | $86,299 | April 6, 2015 |
| Jones, Aidan Kier | Academic Hrly Rsrch | $26,771 | June 3, 2024 |
| Kazanc Ozerinc, Feyza | Vst Res Scholar | $63,913 | Sept. 15, 2023 |
| Keefer, Donald A. | Academic Hrly Rsrch | $42,809 | Aug. 16, 2017 |
| Khosravi, Mansour | Assoc Res Sci, Petroleum Geol | $111,530 | Aug. 15, 2014 |
| Klass, Ronald | Assoc Res Sci, Sci Data Prsvn | $96,081 | July 1, 2008 |
| Koirala, Dibya Raj | Postdoc Res Assoc | $61,564 | Jan. 8, 2024 |
| Korose, Christopher P. | Prin Res Sci, Geol | $112,701 | July 1, 2008 |
| Kroll, Carolyn Ann | Assistant Res Sci, Envrl Geol | $76,143 | Sept. 20, 2011 |
| Lasemi, Yaghoob | Prin Res Sci, Reservoir Geol | $118,520 | July 1, 2008 |
| Lehmann, Ethan Thomas | Sr Sci Spec, GIS | $35,486 | June 8, 2022 |
| Lemke, Brent E. | Office Administrator | $53,669 | July 1, 2008 |
| Lin, Yu-Feng | Prin Res Sci, Hydrogeologist | $127,289 | July 1, 2008 |
| Lind, Cameron Michael | Academic Hrly Rsrch | $28,728 | April 10, 2023 |
| Locke, Randall Anthony | Prin Res Sci, Geochemistry | $139,908 | July 1, 2008 |
| Lu, Yongqi | Prin Res Sci, Envrl Engr | $133,175 | July 1, 2008 |
| Lukhtai, Dmytro | Sr Sci Spec, Reservoir Prop | $70,017 | Jan. 28, 2019 |
| Lund, Deette M. | Assoc Res Sci, Geospatial Data | $72,883 | July 1, 2008 |
| Mahat, Sunita | Vst Sci Spec, GIS | $33,837 | June 10, 2024 |
| Mandera, Katie M. | Sci Spec, Map Std | $53,545 | Oct. 19, 2020 |
| Mattheus, Christopher Robin | Assoc Res Sci, Coastal Geol | $111,001 | March 2, 2020 |
| McLaughlin, Patrick Ian | Prin Res Sci, Bedrock Geol | $107,614 | Jan. 4, 2022 |
| Medlin, Scott Michael | Assoc Res Sci, GIS | $47,524 | July 8, 2024 |
| Milne, Wyatt Corbett | Academic Hrly Rsrch | $21,962 | Sept. 5, 2023 |
| Monson, Jessica L. | Assistant Res Sci, Wetlands Geol | $72,126 | Aug. 15, 2011 |
| Mwakanyamale-Gilkie, Kisa Edson | Assoc Res Sci, Geophysics | $95,006 | Dec. 8, 2014 |
| Myers, Alan R. | Assoc Res Sci, Geol | $76,725 | July 1, 2008 |
| Noyes, Audra Marie | Assistant Res Sci, Wetlands Geol | $63,494 | July 13, 2016 |
| O'Connor, James | Vst Sci Spec, Hist Min & Geol | $21,900 | Sept. 9, 2024 |
| Okwen, Roland T. | Prin Res Sci, Reservoir Engr | $155,545 | Feb. 16, 2011 |
| Oliver, Kai Daniel | Vst Sci Spec, Sci | $56,560 | Sept. 11, 2023 |
| Omovie, Sheyore John | Postdoc Res Assoc | $37,500 | May 1, 2024 |
| Owens Navarro, Mario | Sci Spec, Wetlands Geol | $52,446 | Sept. 5, 2023 |
| Padilla, Richard K. | DRILLER | $98,327 | Nov. 2, 2008 |
| Paton, Timothy Robert | Sci Spec, Bedrock Geol | $58,031 | July 11, 2022 |
| Paul, Robert F. | Vst Sr Sci Spec, GIS | $37,652 | June 3, 2024 |
| Pearce, Kristen Elea-Jean | Sci Spec, Coastal Anlys | $63,759 | Sept. 19, 2022 |
| Penna, Christina Marie | Sr Sci Spec, Envrl Geol | $70,467 | Nov. 9, 2015 |
Note: To learn how the Post-Dispatch calculates figures such as the number of full-time employees or median pay, as well as other important explanations and caveats, please see the About page.