Sarah O'Callaghan
Treasury Board Secretariat/Assistant Deputy Minister, Total Rewards and Classification Division
2025 Salary
$273,501Total compensation $273,761, including $260 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
#17Treasury Board Secretariat
Years on List
82018–2025
Peak Salary
$273,5012025
Full 2025 roster at Treasury Board Secretariat →·See where $273,501 ranks →
Total Compensation History
Full History
2018–2025
$115,475 in 2018 is worth about $142,137 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Assistant Deputy Minister, Total Rewards and Classification DivisionTreasury Board Secretariat | $273,501Benefits $260Total $273,761 |
| 2024 | Assistant Deputy Minister, Total Rewards and Classification DivisionTreasury Board Secretariat | $191,909Benefits $227Total $192,136 |
| 2023 | Director, Total Compensation Strategies Branch / Directrice, stratégie de rémunération totaleTreasury Board Secretariat / Secrétariat Du Conseil Du Trésor | $161,115Benefits $189Total $161,304 |
| 2022 | Director, Total Compensation Strategies BranchTreasury Board Secretariat | $154,939Benefits $182Total $155,121 |
| 2021 | Director, OperationsTreasury Board Secretariat | $149,001Benefits $174Total $149,175 |
| 2020 | Director, OperationsTreasury Board Secretariat | $136,658Benefits $168Total $136,825 |
| 2019 | Director, Total Compensation StrategiesTreasury Board Secretariat | $121,624Benefits $157Total $121,781 |
| 2018 | Manager, Compensation PolicyTreasury Board Secretariat | $115,475Benefits $171Total $115,646 |
Take-Home Pay
(After Tax) · 2025 estimate
Sarah O'Callaghan was paid $273,501 in 2025; after income tax, CPP and EI that is roughly $167,053, an effective income-tax rate of about 36.9%. Compared with 2024, when the figure was $191,909, that is a rise of about 43%. Records under this name have appeared on the Sunshine List 8 years in all, first in 2018. 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
- ~$167,053
- Effective income-tax rate (excl. CPP/EI)
- ~36.9%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~38.9%
Where does $273,501 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.