Derek O'Flaherty
University of Guelph/Assistant Professor
2025 Salary
$145,508Total compensation $146,079, including $571 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
#807University of Guelph
Years on List
52021–2025
Peak Salary
$145,5082025
Full 2025 roster at University of Guelph →·See where $145,508 ranks →
Total Compensation History
Full History
2021–2025
$110,582 in 2021 is worth about $128,232 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Assistant ProfessorUniversity Of Guelph | $145,508Benefits $571Total $146,079 |
| 2024 | Assistant ProfessorUniversity Of Guelph | $128,305Benefits $499Total $128,804 |
| 2023 | Assistant ProfessorUniversity Of Guelph | $118,942Benefits $485Total $119,427 |
| 2022 | Assistant ProfessorUniversity Of Guelph | $114,936Benefits $499Total $115,435 |
| 2021 | Assistant ProfessorUniversity Of Guelph | $110,582Benefits $439Total $111,021 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $145,508 Derek O'Flaherty earned in 2025, roughly $101,327 would remain after income tax, CPP and EI, an all-in deduction rate of about 30.4%. On total compensation of $146,079, Derek O'Flaherty ranked #807 of 1,504 disclosed at University of Guelph that year, where the median salary was $151,779. It is up about 13% on the $128,305 paid in 2024. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$101,327
- Effective income-tax rate (excl. CPP/EI)
- ~26.6%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~30.4%
- vs. 2025 Assistant Professor median
- +6%
Where does $145,508 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.