IL Natural History Survey
Data received June 2026 • FT/PT status not provided. Hire dates are most recent hire date.
Full-time employees
281
Median pay
$54,816
Average pay
$55,425
IL Natural History 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 2025, except where noted otherwise.
| Position | Gross pay | Date hired | |
|---|---|---|---|
| Davis, Mark Allen | Assoc Res Sci, Conserv Bio | $99,173 | Feb. 16, 2012 |
| Dean, Lauren Elizabeth | Assistant Res Sci, Hunter Res | $67,223 | July 1, 2024 |
| Deboer, Jason Andrew | Assoc Res Sci, Lg River Ecol | $70,818 | May 6, 2013 |
| Deem, Lesley S | Sr Sci Spec, Species Data | $64,626 | Feb. 14, 2012 |
| Dermott, Hope Victoria | Vst Sci Spec, Wetland Sci | $48,000 | May 16, 2022 |
| Dewalt, Ralph Edward | Assoc Res Sci, Aquatic Entom | $93,309 | July 1, 2008 |
| Dickerson, Patricia Ann | Artist, Scientific | $41,653 | July 1, 2008 |
| Dietrich, Christopher H | Systematic Entom, Sect Leader | $117,844 | July 1, 2008 |
| Dietrich, Claire Evelyn | Sr Sci Spec, Field Ecol | $51,672 | Feb. 16, 2024 |
| Dmitriev, Dmitry A | Assoc Res Sci, Bioinform/Entom | $100,300 | July 1, 2008 |
| Douglass, Sarah Alee | Assoc Res Sci, Malacology | $77,257 | Nov. 6, 2008 |
| Dreslik, Michael Joseph | Assoc Res Sci, Population Ecol | $138,927 | July 1, 2008 |
| Dunn, Mary Anne | Sr Sci Spec, Fish Ecol | $32,353 | Oct. 16, 2023 |
| Edmonds, Devin A | Grad Res Assistant | $35,787 | Aug. 16, 2017 |
| Ellis, James Lee | Assoc Res Sci, Natural Areas | $77,041 | July 1, 2008 |
| Enos, Janice Katherine | Assistant Res Sci, Avian Biol | $69,348 | Nov. 28, 2022 |
| Estes, Kelly Ann | Assoc Res Sci, Agri Pest Res | $76,467 | July 1, 2008 |
| Fernandez, Madison Raine | Academic Hourly - Research | $32,157 | Dec. 3, 2024 |
| Finney, Noah Isaac | Academic Hourly - Research | $34,536 | June 5, 2023 |
| Finzel, Matthew Michael | Sr Sci Spec,Wetland Plant Ecol | $51,672 | Aug. 16, 2023 |
| Fisher, Mackenzie Kay | Academic Hourly - Research | $28,560 | Jan. 13, 2025 |
| Flood, James Richard | Research Programmer | $47,438 | July 1, 2008 |
| Foster, Nicholas Talbot | Vst Sci Spec, Field Sci | $31,284 | June 16, 2022 |
| Fournier, Auriel | Assoc Res Sci, Waterfowl Ecol | $100,494 | June 10, 2019 |
| Frailey, Anna Marie | Vst Sci Spec, Field Sci | $25,529 | Jan. 9, 2023 |
| Freeman, Julia Marilyn | Grad Res Assistant | $28,928 | Jan. 22, 2024 |
| Gallion, Garret Reece | Academic Hourly - Research | $21,423 | May 12, 2025 |
| Garrett, Aidan Philip | Grad Res Assistant | $32,842 | May 16, 2023 |
| Gieser, Richard Jonas | Sci Spec, Mammalogy | $49,605 | May 16, 2023 |
| Gilbert, Andrew D | Assistant Res Sci, Waterbird Ecol | $60,813 | Jan. 16, 2018 |
| Gittinger, Eric James | Assistant Res Sci, Large River Ecol | $74,540 | July 1, 2008 |
| Glandon, Hillary Lane | Assoc Res Sci, Coast Resilienc | $110,367 | May 1, 2021 |
| Godsey, Kyleigh Taylor | Grad Res Assistant | $28,928 | Feb. 12, 2024 |
| Graham, Eric Christopher | Academic Hourly - Research | $24,640 | Jan. 11, 2024 |
| Grimm, Logan Jeffery | Academic Hourly - Research | $33,178 | Dec. 16, 2025 |
| Gronemeyer, Margaret Ann | Sr Sci Spec, GIS | $58,817 | Nov. 16, 2022 |
| Hagloch, Cody Dale | Academic Hourly - Research | $33,246 | April 8, 2024 |
| Harris, Brandon S | Assoc Res Sci, Lg River Ecol | $64,270 | May 6, 2019 |
| Hart, Lily Veronica | Grad Res Assistant | $35,804 | Jan. 17, 2018 |
| Hartman, Jordan Nichole | Postdoc Res Assoc | $62,006 | Jan. 1, 2024 |
| Hayes, Nicholas Ryan | Vst Sci Spec, Field Sci | $31,395 | July 13, 2022 |
| Heads, Sam William | Assoc Res Sci, Paleontology | $95,517 | Sept. 1, 2009 |
| Henze, Raina Lowrance | Academic Hourly - Research | $35,896 | Sept. 3, 2024 |
| Hickman, Chad Erick | Assoc Res Sci, GIS | $72,334 | July 1, 2008 |
| Hine, Eric Christopher | Assistant Res Sci, Lg River Ecol | $57,006 | March 7, 2018 |
| Hitzroth, Gregory Alan | Assistant Res Sci, Ais | $69,418 | July 3, 2012 |
| Hogan, Phillip Nathaniel | Grad Res Assistant | $34,371 | June 16, 2021 |
| Hohoff, Tara C | Assoc Res Sci, Mammalogy | $81,846 | July 3, 2017 |
| Holda, Toby Joseph | Assistant Res Sci, Lg Rvr Fish Ecol | $50,677 | April 25, 2022 |
| Hoover, Jeffrey P | Avian Ecologist | $103,230 | July 1, 2008 |
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.