David Ma
University of Guelph/Professor
2025 Salary
$218,742Total compensation $219,289, including $547 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
#291University of Guelph
Years on List
152010–2025
Peak Salary
$218,7422025
Full 2025 roster at University of Guelph →·See where $218,742 ranks →
Total Compensation History
Full History
2010–2025
$102,471 in 2010 is worth about $144,428 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | ProfessorUniversity Of Guelph | $218,742Benefits $547Total $219,289 |
| 2024 | ProfessorUniversity Of Guelph | $195,103Benefits $483Total $195,586 |
| 2023 | ProfessorUniversity Of Guelph | $190,768Benefits $471Total $191,239 |
| 2022 | ProfessorUniversity Of Guelph | $168,260Benefits $490Total $168,750 |
| 2021 | ProfessorUniversity Of Guelph | $163,112Benefits $590Total $163,702 |
| 2020 | ProfessorUniversity Of Guelph | $158,682Benefits $624Total $159,306 |
| 2019 | Professor and Research Leadership ChairUniversity Of Guelph | $153,442Benefits $604Total $154,046 |
| 2018 | ProfessorUniversity of Guelph | $148,792Benefits $585Total $149,377 |
| 2017 | ProfessorUniversity of Guelph | $141,463Benefits $528Total $141,991 |
| 2015 | Associate ProfessorUniversity of Guelph | $128,368Benefits $79Total $128,448 |
| 2014 | Associate ProfessorUniversity of Guelph | $131,328Benefits $246Total $131,574 |
| 2013 | Associate ProfessorUniversity of Guelph | $120,723Benefits $261Total $120,984 |
| 2012 | Associate ProfessorUniversity of Guelph | $106,510Benefits $267Total $106,777 |
| 2011 | Associate ProfessorUniversity of Guelph | $109,795Benefits $25Total $109,820 |
| 2010 | Associate ProfessorUniversity of Guelph | $102,471Benefits $80Total $102,551 |
Take-Home Pay
(After Tax) · 2025 estimate
David Ma was paid $218,742 in 2025; after income tax, CPP and EI that is roughly $140,250, an effective income-tax rate of about 33.4%. That is about 12% more than the $195,103 paid in 2024. David Ma has appeared on the list 15 times since 2010. 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
- ~$140,250
- Effective income-tax rate (excl. CPP/EI)
- ~33.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~35.9%
- vs. 2025 Professor median
- +61%
Where does $218,742 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.