Southwestern Illinois College
Gregory John Collier in 2025 was employed at Southwestern Illinois College and had an annual salary of $60,734, according to public records. This salary was 31 percent higher than the average and 49 percent higher than the median salary in Southwestern Illinois College.
Public records show Gregory John Collier working for Southwestern Illinois College from 2020 to 2025.
According to the public records employee's salary increased by $516 from 2024 to 2025, which is a 0.9 percent rise. Since 2020, the salary has increased by $9,719, a total rise of 19.1 percent.
| Year | 2025 |
| Full Name | Gregory John Collier |
| Job Title | N/A |
| State | Illinois |
| Employer | Southwestern Illinois College |
| Annual Wage | $60,734 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Southwestern Illinois College |
| Year | 2025 |
| Number of Employees | 944 |
| Average Annual Wage | $46,196 |
| Median Annual Wage | $40,822 |
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