Catherine Guillaume
Treasury Board Secretariat/French Language Services Coordinator
2025 Salary
$112,836Total compensation $112,979, including $143 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
#977Treasury Board Secretariat
Years on List
32023–2025
Peak Salary
$113,3202024
Full 2025 roster at Treasury Board Secretariat →·See where $112,836 ranks →
Total Compensation History
Full History
2023–2025
$101,788 in 2023 is worth about $106,388 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | French Language Services CoordinatorTreasury Board Secretariat | $112,836Benefits $143Total $112,979 |
| 2024 | French Language Services CoordinatorTreasury Board Secretariat | $113,320Benefits $137Total $113,457 |
| 2023 | French Language Services Coordinator / Coordonnatrice des services en françaisTreasury Board Secretariat / Secrétariat Du Conseil Du Trésor | $101,788Benefits $132Total $101,919 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $112,836 Catherine Guillaume earned in 2025, roughly $82,673 would remain after income tax, CPP and EI, an all-in deduction rate of about 26.7%. That is about the same as the $113,320 paid in 2024. Catherine Guillaume has appeared on the list 3 times since 2023. Pension contributions — likely PSPP or OPTrust in the Government of Ontario – Ministries sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$82,673
- Effective income-tax rate (excl. CPP/EI)
- ~21.9%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.7%
Where does $112,836 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.