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 | |
|---|---|---|---|
| Adams, Casondra Anne | Grad Res Assistant | $30,780 | Jan. 16, 2025 |
| Adomaitis, Jeannine Marie | Sci Spec, GIS/Wetland Sci | $52,705 | May 16, 2019 |
| Alexander, Nathan B | Postdoc Res Assoc | $56,498 | Jan. 1, 2024 |
| Allen, Maximilian | Assistant Res Sci, Wildlife Ecol | $88,065 | May 1, 2018 |
| Anders, Philip J | Biological Informatician | $99,359 | Jan. 18, 2000 |
| Anderson, Hannah Jeanette | Sr Sci Spec, Envrl Data | $55,183 | Aug. 16, 2024 |
| Arnold, Rose Alexis | Grad Res Assistant | $37,755 | March 14, 2022 |
| Asche, Emily Elizabeth | Grad Res Assistant | $42,512 | Oct. 3, 2022 |
| Atutey, Esther Esi | Academic Hourly - Research | $30,384 | Aug. 15, 2024 |
| Baird, Matheson Robert | Academic Hourly - Research | $32,800 | Nov. 18, 2024 |
| Barajas, Arianna Nayelie | Academic Hourly - Research | $23,681 | March 11, 2025 |
| Basyal, Chitra Rekha | Summer Grad Res Assistant | $36,716 | Jan. 16, 2024 |
| Beilke, Elizabeth Ann | Assistant Res Sci, Applied Ecol | $61,404 | June 16, 2022 |
| Benson, Thomas J | Prin Res Sci, Wildlife Ecol | $112,200 | Aug. 11, 2008 |
| Beveroth, Tara Ann | Assoc Res Sci, Avian Ecol | $67,544 | July 1, 2008 |
| Bialeschki, Cathy J | Administrative Aide | $79,520 | July 1, 2008 |
| Bisulca Ostrowski, Michael Raymond | Academic Hourly - Research | $23,010 | April 30, 2025 |
| Blackshear, Millon | Assoc Medical Entomology Sci | $52,370 | Jan. 3, 2011 |
| Blake-Bradshaw, Abigail Grace | Postdoc Res Assoc | $61,404 | Oct. 1, 2025 |
| Boldrick, Julia Korp | Grad Res Assistant | $23,725 | Jan. 16, 2023 |
| Brackensick, Hunter William | Academic Hourly - Research | $28,140 | Sept. 16, 2024 |
| Bradshaw, Therin Matthew | Assistant Res Sci, Waterfowl Ecol | $60,813 | Aug. 2, 2021 |
| Bried, Jason Thomas | Assistant Res Sci, Wetland Ecol | $67,046 | July 27, 2020 |
| Brooks, Tovah Renee | Academic Hourly - Research | $32,394 | May 22, 2023 |
| Brown, William Marshall | Academic Hourly - Research | $21,020 | Jan. 4, 2023 |
| Buckley, Jason Thomas | Sci Spec, Hunter Rr&R | $54,194 | Jan. 13, 2020 |
| Burgdorf, Karter | Sci Spec, Ais | $48,571 | Oct. 16, 2023 |
| Burgett, April M | Bus Mgr (Cont) | $70,374 | July 1, 2008 |
| Butler, Steven | Assoc Res Sci, Aquatic Ecol | $63,712 | Sept. 22, 2010 |
| Cannizzaro, Joseph Salvatore | Grad Res Assistant | $32,842 | Jan. 16, 2025 |
| Cao, Yong | Prin Res Sci, Stream Ecol | $107,400 | July 1, 2008 |
| Capon, Carley Nicole | Academic Hourly - Research | $31,494 | June 2, 2025 |
| Cara, Corrado | Vst Sci Spec, Vector Bio | $49,595 | Oct. 18, 2021 |
| Carmody, Patrick Lowell | Academic Hourly - Research | $27,781 | July 5, 2022 |
| Carter, Kassandra | Sr Sci Spec, Pollinator Ecol | $53,473 | June 1, 2022 |
| Chace, Jordyn Zoe | Grad Res Assistant | $30,780 | Aug. 16, 2020 |
| Charles, Brian Matthew | Sci Spec, Botany | $55,183 | Feb. 16, 2022 |
| Chick, John Howard | Principal Aquatic Ecologist | $113,719 | July 1, 2008 |
| Ciloglu, Arif | Vst Res Scholar | $29,700 | Jan. 16, 2025 |
| Clodfelter, Ember Beckett | Grad Res Assistant | $35,135 | Aug. 16, 2022 |
| Coleman, Mallory Jeanne | Academic Hourly - Research | $32,976 | Sept. 9, 2024 |
| Conatser, Kathryn E | Grad Res Assistant | $28,850 | Sept. 5, 2019 |
| Cook, Rylee Jean | Academic Hourly - Research | $33,295 | June 3, 2024 |
| Cook, Theodore | Grad Res Assistant | $32,842 | Aug. 16, 2023 |
| Corush, Joel B | Postdoc Res Assoc | $27,619 | Oct. 16, 2025 |
| Cowan, Megan Elizabeth | Sr Sci Spec, Fisheries Ecol | $32,905 | June 14, 2010 |
| Cygnar, Lauren Elizabeth | Academic Hourly - Research | $37,410 | April 15, 2024 |
| Czesny, Sergiusz Jakob | Prin Res Sci, Aquatic Ecol/Fsd | $122,189 | July 1, 2008 |
| Darby, Bethany Joy | Academic Hourly - Research | $24,120 | April 15, 2024 |
| Davila, Rafael | Assistant Res Sci, Lg Rvr Fish Ecol | $52,173 | Dec. 16, 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.