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Ratnasingham Tharmarasa

McMaster University/Associate Professor

2025 Salary

$186,266

Total compensation $186,783, including $517 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

#678

McMaster University

Years on List

9

2017–2025

Peak Salary

$186,266

2025

Full 2025 roster at McMaster University →·See where $186,266 ranks →

Total Compensation History

Total compensation by yearLine chart of 9 yearly values of total compensation, from $120,841 in 2017 to $186,783 in 2025.$100K$125K$150K$175K$200K201720192020202220232025
Total compensation, 2017–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2017–2025

$120,649 in 2017 is worth about $151,921 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Associate ProfessorMcMaster University$186,266Benefits $517Total $186,783
2024Assistant ProfessorMcMaster University$174,910Benefits $517Total $175,427
2023Assistant ProfessorMcMaster University$167,566Benefits $501Total $168,068
2022Assistant ProfessorMcMaster University$161,120Benefits $449Total $161,569
2021Assistant ProfessorMcMaster University$154,598Benefits $392Total $154,990
2020Assistant ProfessorMcMaster University$147,736Benefits $342Total $148,079
2019Assistant ProfessorMcMaster University$118,180Benefits $234Total $118,414
2018Principal Research EngineerMcMaster University$117,855Benefits $190Total $118,045
2017Principal Research Engineer / Sessional FacultyMcmaster University$120,649Benefits $192Total $120,841

Take-Home Pay
(After Tax) · 2025 estimate

Ratnasingham Tharmarasa was paid $186,266 in 2025; after income tax, CPP and EI that is roughly $123,601, an effective income-tax rate of about 30.7%. For comparison, the median Associate Professor on the 2025 list was paid $174,209; this salary is about 7% more. It is up about 6% on the $174,910 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
~$123,601
Effective income-tax rate (excl. CPP/EI)
~30.7%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~33.6%
vs. 2025 Associate Professor median
+7%

Where does $186,266 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.

Also at McMaster University
2025

View all 1,966 employees at McMaster University (2025) →