IL Natural History Survey
Data received May 2025 • FT/PT status not provided.
Full-time employees
275
Median pay
$52,753
Average pay
$54,125
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 2024, except where noted otherwise.
| Position | Gross pay | Date hired | |
|---|---|---|---|
| Ruellan, Hugo Yves | Sr Sci Spec, Aquatic Ecol | $52,473 | Feb. 27, 2023 |
| Ryba, Megan Olivia | Assistant Res Sci, River Ecol | $54,540 | March 13, 2023 |
| Rye, Timothy Andrew | Ctap Botanist | $53,986 | July 1, 2008 |
| Salrin, Olivia Grace | Academic Hourly - Research | $42,961 | May 22, 2023 |
| Santoyo Brito, Enrique | Sci Spec, Fluid Collect | $61,050 | Oct. 5, 2020 |
| Sawicki, Sara | Assistant Res Sci, Lg Rvr Ecol | $51,423 | Aug. 16, 2022 |
| Schaick, Samuel | Assistant Res Sci, Lg Rvr Fish Ecol | $52,753 | May 14, 2019 |
| Schartel, Tyler | Assoc Res Sci, Consrv Ecol | $67,380 | June 26, 2019 |
| Schauber, Eric M. | Prin Res Sci | $31,420 | July 2, 2018 |
| Schelsky, Wendy | Prin Res Sci, Behavioral Ecol | $106,684 | June 16, 2009 |
| Schmidt, Amber Rose | Academic Hourly - Research | $41,306 | March 3, 2025 |
| Schmidt, Katherine Rae | Academic Hourly - Research | $26,315 | July 26, 2021 |
| Schmidt, Peter Filip | Sci Spec, Field Sci | $38,962 | Oct. 16, 2023 |
| Schneider, Amy Elizabeth | Academic Hourly - Research | $34,788 | Aug. 16, 2021 |
| Schook, Jodi Lynn | Res. Prog. Participant | $21,856 | Oct. 1, 2023 |
| Scopel, Lauren C. | Postdoc Res Assoc | $56,003 | March 6, 2023 |
| Scott, Katriner Lashel | Office Administrator | $24,235 | Feb. 20, 2023 |
| Seo, Donghyun | Academic Hourly - Research | $27,702 | Sept. 13, 2021 |
| Sivicek, Valerie Ann | Assistant Res Sci, Botany | $61,415 | July 1, 2008 |
| Skorupa, Ayla Jan | Postdoc Res Assoc | $55,400 | Jan. 16, 2024 |
| Soeken-Gittinger, Lori A. | Aquatic Ecologist | $62,084 | July 1, 2008 |
| Solomon, Levi Eric | Assoc Res Sci, Lg River Ecol | $71,275 | April 1, 2011 |
| Soto Patino, Dora Juliana | Grad Res Assistant | $34,216 | Aug. 16, 2022 |
| Spear, Michael John | Assistant Res Sci, Quant Ecol | $64,229 | Feb. 22, 2021 |
| Spencer, Joseph Lee | Principal Insect Behaviorist | $101,398 | July 1, 2008 |
| Spina, Joseph Michael | Grad Res Assistant | $34,216 | May 27, 2019 |
| Spyreas, Greg Richard | Assoc Res Sci, Botany | $77,678 | July 1, 2008 |
| Stanhope, Kimberly Anne | Outr Coord | $52,843 | Aug. 9, 2010 |
| Stasavich, Laura | Assistant Res Sci, Survey Mntrg | $62,967 | May 16, 2022 |
| Stephens, Daniel James | Assoc Res Sci, Hunter Rr&R | $68,523 | May 17, 2017 |
| Stephens, Lauren Josie | Sr Sci Spec, Human Dim Res | $55,367 | July 15, 2019 |
| Stockwell, Madeline Rose | Academic Hourly - Research | $22,074 | April 8, 2024 |
| Stodola, Alison Price | Assoc Res Sci, Malacology | $68,258 | Jan. 5, 2009 |
| Stodola, Kirk | Assistant Res Sci, Population Ecol | $85,001 | June 16, 2011 |
| Stone, Christopher Michael | Assoc Res Sci, Medical Ento | $90,300 | July 3, 2017 |
| Strailey, Katherine | Postdoc Res Assoc | $60,600 | Sept. 28, 2022 |
| Swedberg, Dusty Allen | Sr Sci Spec, Crustacean Ecol | $51,285 | Aug. 24, 2020 |
| Szklaruk, Natalia | Sr Sci Spec, Ais | $55,367 | Sept. 18, 2023 |
| Szott, Emily Ann | Assistant Res Sci, Lg Rvr Fish Ecol | $52,753 | Nov. 4, 2019 |
| Tan, Milton | Assistant Res Sci, Bio Genomics | $84,959 | Aug. 16, 2018 |
| Tiemann, Jeremy S. | Assoc Res Sci, Aquatic Ecol | $77,765 | July 1, 2008 |
| Tiwari, Krishna Arvind Kumar | Sci Spec, Field Sci | $44,440 | Oct. 16, 2023 |
| Trivellone, Valeria | Assistant Res Sci, Vector Ecol | $61,885 | Jan. 1, 2023 |
| Tucker, Stefan Roy | Assistant Res Sci, Lg Rvr Fish Ecol | $53,857 | Aug. 28, 2023 |
| Tuten, Holly C. | Assoc Res Sci, Vector Ecol | $32,130 | Oct. 16, 2019 |
| Tweddale, Tari Ann | Assoc Res Sci, GIS | $86,030 | July 1, 2008 |
| Twellmann, Curtis L. | Sci Spec, Regional R3 Planner | $52,347 | Nov. 23, 2020 |
| Ulaszek, Eric Frank | Assoc Res Sci, Botany | $79,295 | July 29, 2013 |
| Valentine, Shaley Ann | Assistant Res Sci, Quant Ecol | $39,218 | Feb. 1, 2024 |
| Vaske, Jerry J. | Academic Hourly - Research | $32,400 | June 1, 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.