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 | |
|---|---|---|---|
| Hopkins, Heidi E | Academic Hourly - Research | $55,422 | Jan. 20, 2016 |
| Hudson, Nathan Cole | Natural Areas Res Spec | $61,693 | July 17, 2017 |
| Iacaruso, Nicholas John | Grad Res Assistant | $29,154 | Jan. 16, 2021 |
| Ingraham Dwyer, Benjamin Galileo | Academic Hourly - Research | $21,254 | March 3, 2025 |
| Janssen, Eric Daniel | Assistant Res Sci, Wetlnd Plnt Ecol | $60,171 | June 13, 2019 |
| Jaquet, Izabelle Sarah | Academic Hourly - Research | $34,308 | Aug. 21, 2018 |
| Jarvis, Janet Lynn | Assoc Res Sci, GIS | $67,329 | July 1, 2008 |
| Jog, Suneeti Krishna | Assoc Res Sci,Wetlnd Plnt Ecol | $76,185 | Aug. 26, 2019 |
| Johnson, Claire Autumn | Sr Sci Spec, Avian Ecol | $53,113 | May 21, 2021 |
| Johnson, Kevin Paul | Principal Ornithologist | $111,412 | July 1, 2008 |
| Jones, Lance Eric | Academic Hourly - Research | $41,462 | Aug. 16, 2021 |
| Karsk, Jocelyn Renee | Assistant Res Sci, Mammalogy | $63,553 | June 27, 2016 |
| Kenney, Ian T | Assistant Res Sci, Wetland Soils | $59,204 | April 21, 2014 |
| Kessler, Ethan Jonathan | Assistant Res Sci, Quant Ecol | $72,742 | May 16, 2020 |
| Khadonova, Ekaterina | Assistant Res Sci, Quant Ecol | $59,800 | Jan. 16, 2025 |
| Kim, Changhyun Raymond | Assoc Res Sci, Med Entom | $74,565 | Oct. 5, 2010 |
| King, Gregory D | Assistant Res Sci, Lg River Ecol | $35,104 | Jan. 16, 2020 |
| Kirchgesner, John Thomas | Assistant Res Sci, GIS | $64,263 | Sept. 6, 2016 |
| Klein, Thomas Robert | Res Software Engr | $52,560 | May 27, 2025 |
| Knuffman, Kara Lila | Assistant Res Sci, Survey Mntrg | $64,014 | Nov. 15, 2021 |
| Kohler, Michelle Marie | Academic Hourly - Research | $32,300 | April 1, 2013 |
| Koleczek, Molly Anne | Sci Spec, Field Sci | $45,471 | Oct. 16, 2023 |
| Krellwitz, Michael Jack | Academic Hourly - Research | $38,734 | June 20, 2024 |
| Krippenstapel, Anne Beatrice | Vst Sci Spec, Field Sci | $33,164 | June 16, 2022 |
| Kuhn, Arianna Lynn | Assistant Res Sci, Vert Curator | $84,120 | Jan. 16, 2025 |
| Kuhns, Andrew R | Assoc Res Sci, Herpetology | $79,833 | July 1, 2008 |
| Lagos-Kutz, Doris | Vst Assistant Res Sci, Insect Monit | $60,000 | Nov. 16, 2024 |
| Lamer, James T | Assoc Res Sci, Lg River Ecol | $100,797 | Jan. 16, 2019 |
| Latif, Tooba | Vst Sr Sci Spec, Epidemiology | $54,816 | April 16, 2025 |
| Lepard, Joseph Charles | Academic Hourly - Research | $24,786 | May 18, 2026 |
| Li, Yanxi | Grad Res Assistant | $24,944 | Aug. 16, 2024 |
| Lombardo, Justin Wade | Grad Res Assistant | $23,108 | Jan. 13, 2023 |
| London, Evan William | Grad Res Assistant | $31,509 | July 16, 2021 |
| Lowenstein, Katelyn Rose | Academic Hourly - Research | $25,882 | Oct. 3, 2023 |
| Lowers, Mindy E | Office Administrator (Cont) | $45,574 | Jan. 24, 2012 |
| Maass, Natalia May | Assistant Res Sci, Endanger Species | $63,553 | Aug. 16, 2021 |
| Mably, Justin James | Sci Spec, GIS | $53,617 | July 16, 2019 |
| Mackay, Andrew James | Assoc Res Sci, Vector Ecol | $71,953 | Jan. 1, 2012 |
| Marcum, Paul Brent | Assoc Res Sci, Wetland Sci | $95,317 | July 1, 2008 |
| Marick, Paul David | Academic Hourly - Research | $21,584 | Aug. 19, 2024 |
| Mateus-Pinilla, Nohra E | Prin Veterinary Epidemiologist | $110,074 | July 1, 2008 |
| Mathis, Andrew T | Assoc Res Sci, Lg Rvr Fish Eco | $60,559 | Sept. 17, 2018 |
| Maxson, Kristopher Andrew | Assoc Res Sci, Lg Rvr Fish Eco | $65,298 | July 18, 2016 |
| McCallum, Ashleigh R | Academic Hourly - Research | $28,059 | June 5, 2023 |
| McElrath, Thomas Christian | Assistant Res Sci, Entom | $65,217 | June 26, 2017 |
| McGee, Chloe D'Ann | Academic Hourly - Research | $33,920 | July 12, 2023 |
| McIntyre, Susan D | Assistant Res Sci, Wetlnd Plnt Ecol | $66,147 | June 18, 2012 |
| Mendoza, Trisha Maxine Baloloy | Academic Hourly - Research | $24,840 | Sept. 23, 2021 |
| Mengelkoch, Jean | Assoc Res Sci, Mammalogy | $71,638 | July 1, 2008 |
| Merkelz, Sara Joy | Grad Res Assistant | $32,842 | May 17, 2021 |
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.