Sarah O'Callaghan was paid $273,760.85 in total compensation as Assistant Deputy Minister, Total Rewards and Classification Division at Treasury Board Secretariat in 2025, 174% above Ontario's $100,000.00 Sunshine List threshold.
Sarah O'Callaghan has appeared on the Ontario Sunshine List 7 times since 2018, earning $1.1M in combined disclosed pay — an average of $163,492.00 a year, up 137% over that span.
That is 100% above the average disclosed pay of $136,881.60 across 1,198 listed Treasury Board Secretariat employees.
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7 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How Sarah O'Callaghan's total compensation has moved across 7 years on the Ontario Sunshine List.
Year-by-year history
7 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest★ Best | $273,760.85 | ▲ 42.5% |
2024 | $192,136.38 | ▲ 23.9% |
2022 | $155,121.00 | ▲ 4.0% |
2021 | $149,174.77 | ▲ 9.0% |
2020 | $136,825.27 | ▲ 12.4% |
2019 | $121,781.26 | ▲ 5.3% |
2018First | $115,646.20 | — |
| 7 years total | $1.1M total | $163,492.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Assistant Deputy Minister, Total Rewards and Classification Division
- Employer
- Treasury Board Secretariat
- Sector
- —
- Province
- Ontario
- First appeared
- 2018
- Latest disclosure
- 2025
- Years on list
- 7
Data source
Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.
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