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 | |
|---|---|---|---|
| Rivera De Morales, Nelda Anezka | Academic Hourly - Research | $58,240 | June 16, 2015 |
| Roberts, Madison Laura | Assistant Res Sci, Lg River Ecol | $50,167 | Sept. 16, 2024 |
| Robinson, Jason Lesley | Assoc Res Sci, Entom | $71,638 | Jan. 3, 2012 |
| Rogers, Tressa Rhiannon | Academic Hourly - Research | $36,278 | May 21, 2024 |
| Rogness, Brittany Alice | Assoc Res Sci, Mammalogy | $67,395 | May 1, 2020 |
| Roskov, Yury | Catalogue of Life Exec Editor | $89,104 | July 23, 2014 |
| Roswell, Charles R | Assistant Res Sci, Aquatic Ecol | $69,445 | March 18, 2013 |
| Roussin, Abigail Renee | Academic Hourly - Research | $35,181 | May 28, 2024 |
| Ruellan, Hugo Yves | Sr Sci Spec, Aquatic Ecol | $53,345 | Feb. 27, 2023 |
| Ryba, Megan Olivia | Assistant Res Sci, River Ecol | $40,341 | March 13, 2023 |
| Rye, Timothy Andrew | Vst Sr Sci Spec, Botany | $55,055 | July 1, 2008 |
| Salrin, Olivia Grace | Academic Hourly - Research | $28,684 | May 22, 2023 |
| Santoyo Brito, Enrique | Sci Spec, Fluid Collect | $72,793 | Oct. 5, 2020 |
| Satyan, Yashna | Academic Hourly - Research | $28,778 | Oct. 26, 2023 |
| Sawicki, Sara | Assistant Res Sci, Lg Rvr Ecol | $52,278 | Aug. 16, 2022 |
| Schartel, Tyler | Assoc Res Sci, Consrv Ecol | $74,356 | June 26, 2019 |
| Schelsky, Wendy | Prin Res Sci, Behavioral Ecol | $108,457 | June 16, 2009 |
| Schmidt, Amber Rose | Sr Sci Spec, Aquatic Ecol | $58,300 | March 3, 2025 |
| Scopel, Lauren C | Postdoc Res Assoc | $60,200 | May 14, 2026 |
| Scott, Katriner Lashel | Office Administrator | $23,746 | Feb. 20, 2023 |
| Seo, Donghyun | Grad Res Assistant | $32,970 | Sept. 13, 2021 |
| Sivicek, Valerie Ann | Assistant Res Sci, Botany | $65,057 | July 1, 2008 |
| Skorupa, Ayla Jan | Postdoc Res Assoc | $61,404 | Jan. 16, 2024 |
| Small, Michael John | Academic Hourly - Research | $22,328 | May 28, 2024 |
| Smith, Elliott Tobin | Academic Hourly - Research | $31,322 | Nov. 7, 2024 |
| Soeken-Gittinger, Lori A | Aquatic Ecologist | $63,116 | July 1, 2008 |
| Solomon, Levi Eric | Assoc Res Sci, Lg River Ecol | $80,187 | April 1, 2011 |
| Soto Patino, Dora Juliana | Grad Res Assistant | $28,669 | Aug. 16, 2022 |
| Spear, Michael John | Assistant Res Sci, Lead Quant Ecol | $84,000 | Feb. 22, 2021 |
| Spencer, Joseph Lee | Principal Insect Behaviorist | $103,084 | July 1, 2008 |
| Spyreas, Greg Richard | Assoc Res Sci, Botany | $78,969 | July 1, 2008 |
| Stanhope, Kimberly Anne | Outr Coord | $54,069 | Aug. 9, 2010 |
| Stasavich, Laura | Assistant Res Sci, Survey Mntrg | $64,014 | May 16, 2022 |
| Stephens, Daniel James | Assoc Res Sci, Hunter Rr&R | $71,307 | May 17, 2017 |
| Stephens, Lauren Josie | Sr Sci Spec, Human Dim Res | $56,287 | July 15, 2019 |
| Stockwell, Madeline Rose | Academic Hourly - Research | $27,015 | April 8, 2024 |
| Stodola, Alison Price | Assoc Res Sci, Malacology | $77,528 | Jan. 5, 2009 |
| Stodola, Kirk | Assistant Res Sci, Population Ecol | $86,731 | June 16, 2011 |
| Stone, Christopher Michael | Assoc Res Sci, Medical Ento | $97,657 | July 3, 2017 |
| Strailey, Katherine | Postdoc Res Assoc | $62,544 | Oct. 1, 2025 |
| Swedberg, Dusty Allen | Sr Sci Spec, Crustacean Ecol | $56,136 | Aug. 24, 2020 |
| Syeda, Wardah Noor | Grad Res Assistant | $21,122 | May 16, 2025 |
| Szklaruk, Natalia | Sr Sci Spec, Ais | $56,287 | Sept. 18, 2023 |
| Szott, Emily Ann | Assistant Res Sci, Lg Rvr Fish Ecol | $56,451 | Nov. 4, 2019 |
| Tan, Milton | Assistant Res Sci, Bio Genomics | $86,372 | Aug. 16, 2018 |
| Theisen, Katrina Lyn | Grad Res Assistant | $28,928 | April 22, 2024 |
| Tiemann, Jeremy S | Assoc Res Sci, Aquatic Ecol | $64,788 | July 1, 2008 |
| Tiwari, Krishna Arvind Kumar | Sci Spec, Field Sci | $32,382 | Oct. 16, 2023 |
| Toll, Elizabeth Wolcott | Academic Hourly - Research | $32,698 | Sept. 25, 2024 |
| Tomlinson, Frankie Loren | Academic Hourly - Research | $29,950 | May 28, 2024 |
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.