Catherine Wittke
Conestoga College Institute of Technology and Advanced Learning/Professor
2025 Salary
$132,080Total compensation $132,178, including $97 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#296Conestoga College Institute of Technology and Advanced Learning
Years on List
92016–2025
Peak Salary
$132,0802025
Full 2025 roster at Conestoga College Institute of Technology and Advanced Learning →·See where $132,080 ranks →
Total Compensation History
Full History
2016–2025
$103,167 in 2016 is worth about $131,932 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $132,080Benefits $97Total $132,178 |
| 2024 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $126,689Benefits $93Total $126,782 |
| 2023 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $129,117Benefits $95Total $129,212 |
| 2022 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $117,072Benefits $113Total $117,184 |
| 2021 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $116,884Benefits $125Total $117,008 |
| 2020 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $113,681Benefits $117Total $113,798 |
| 2019 | ProfessorConestoga College Institute Of Technology and Advanced Learning | $111,452Benefits $111Total $111,562 |
| 2018 | ProfessorConestoga College | $108,494Benefits $111Total $108,605 |
| 2016 | ProfessorConestoga College | $103,167Benefits $127Total $103,294 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $132,080 Catherine Wittke earned in 2025, roughly $93,728 would remain after income tax, CPP and EI, an all-in deduction rate of about 29.0%. That is about 3% below the 2025 median of $135,910 for Professor on the Sunshine List. Records under this name have appeared on the Sunshine List 9 years in all, first in 2016. Pension contributions — likely the CAAT Pension Plan in the Colleges sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$93,728
- Effective income-tax rate (excl. CPP/EI)
- ~24.9%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.0%
- vs. 2025 Professor median
- −3%
Where does $132,080 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.