Jason Siefken
University of Toronto/Assistant Professor, Teaching Stream, Mathematics
2025 Salary
$153,749Total compensation $153,875, including $126 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
#3,483University of Toronto
Years on List
62020–2025
Peak Salary
$153,7492025
Full 2025 roster at University of Toronto →·See where $153,749 ranks →
Total Compensation History
Full History
2020–2025
$103,799 in 2020 is worth about $124,407 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $153,749Benefits $126Total $153,875 |
| 2024 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $127,465Benefits $129Total $127,594 |
| 2023 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $127,607Benefits $131Total $127,738 |
| 2022 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $119,908Benefits $130Total $120,039 |
| 2021 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $112,688Benefits $129Total $112,817 |
| 2020 | Assistant Professor, Teaching Stream, MathematicsUniversity Of Toronto | $103,799Benefits $125Total $103,924 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $153,749 Jason Siefken earned in 2025, roughly $105,948 would remain after income tax, CPP and EI, an all-in deduction rate of about 31.1%. Within University of Toronto, Jason Siefken's total compensation of $153,875 was the #3,483 of 7,392, against a median salary of $147,726. Members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less after pension contributions, which this estimate leaves out.
- Estimated net pay
- ~$105,948
- Effective income-tax rate (excl. CPP/EI)
- ~27.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.1%
Where does $153,749 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.