Louis Mastorakos
University of Guelph/Director, Human Resource Systems, Data and Payroll
2025 Salary
$176,400Total compensation $177,023, including $622 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
#577University of Guelph
Years on List
52020–2025
Peak Salary
$178,9082024
Full 2025 roster at University of Guelph →·See where $176,400 ranks →
Total Compensation History
Full History
2020–2025
$101,116 in 2020 is worth about $121,191 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Director, Human Resource Systems, Data and PayrollUniversity Of Guelph | $176,400Benefits $622Total $177,023 |
| 2024 | Director, Human Resource Systems, Data and PayrollUniversity Of Guelph | $178,908Benefits $592Total $179,500 |
| 2023 | Manager, Process Optimization and SystemsUniversity Of Guelph | $155,700Benefits $526Total $156,226 |
| 2022 | Manager, Process Optimization and SystemsUniversity Of Guelph | $102,699Benefits $454Total $103,153 |
| 2020 | Manager, Process Optimization and SystemsUniversity Of Guelph | $101,116Benefits $573Total $101,689 |
Take-Home Pay
(After Tax) · 2025 estimate
Louis Mastorakos was paid $176,400 in 2025; after income tax, CPP and EI that is roughly $118,414, an effective income-tax rate of about 29.8%. Compared with 2024, when the figure was $178,908, that is a drop of about 1%. Louis Mastorakos has appeared on the list 5 times since 2020. 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
- ~$118,414
- Effective income-tax rate (excl. CPP/EI)
- ~29.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~32.9%
Where does $176,400 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.