William Rainey Harper College
Robert Grapenthien in 2025 was employed at William Rainey Harper College and had an annual salary of $125,773, according to public records. This salary was 91 percent higher than the average and 114 percent higher than the median salary in William Rainey Harper College.
Public records show Robert Grapenthien working for William Rainey Harper College from 2017 to 2025.
According to the public records employee's salary increased by $2,284 from 2024 to 2025, which is a 1.9 percent rise. Since 2017, the salary has increased by $75,107, a total rise of 148.2 percent.
| Year | 2025 |
| Full Name | Robert Grapenthien |
| Job Title | N/A |
| State | Illinois |
| Employer | William Rainey Harper College |
| Annual Wage | $125,773 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | William Rainey Harper College |
| Year | 2025 |
| Number of Employees | 1,136 |
| Average Annual Wage | $66,005 |
| Median Annual Wage | $58,862 |
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