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Gregory Lewis

Ontario Tech University/Associate Professor

2025 Salary

$200,170

Total compensation $200,518, including $348 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

#74

Ontario Tech University

Years on List

17

2008–2025

Peak Salary

$200,170

2025

Full 2025 roster at Ontario Tech University·See where $200,170 ranks →

Total Compensation History

Total compensation by yearLine chart of 17 yearly values of total compensation, from $106,538 in 2008 to $200,518 in 2025. No data for 2009.$100K$125K$150K$175K$200K$225K200820132015201920212025
Total compensation, 2008–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
20082025

$106,321 in 2008 is worth about $153,006 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Associate ProfessorOntario Tech University$200,170
2024Associate ProfessorOntario Tech University$179,551
2023Associate ProfessorOntario Tech University$170,413
2022Associate ProfessorOntario Tech University$173,170
2021Associate ProfessorUniversity Of Ontario Institute Of Technology$171,252
2020Associate ProfessorUniversity Of Ontario Institute Of Technology$165,907
2019Associate ProfessorUniversity Of Ontario Institute Of Technology$160,738
2018Associate ProfessorUniversity of Ontario Institute of Technology$151,548
2017Associate ProfessorUniversity of Ontario Institute of Technology$135,614
2016Associate ProfessorUniversity of Ontario Institute of Technology$129,329
2015Associate ProfessorUniversity of Ontario Institute of Technology$135,733
2014Associate ProfessorUniversity of Ontario Institute of Technology$127,751
2013Associate ProfessorUniversity of Ontario Institute of Technology$120,268
2012Associate ProfessorUniversity of Ontario Institute of Technology$111,255
2011Associate ProfessorUniversity of Ontario Institute of Technology$108,937
2010Associate ProfessorUniversity of Ontario Institute of Technology$104,464
2008Assistant Professor, Faculty of ScienceUniversity of Ontario Institute of Technology$106,321

Take-Home Pay
(After Tax) · 2025 estimate

Of the $200,170 Gregory Lewis earned in 2025, roughly $130,794 would remain after income tax, CPP and EI, an all-in deduction rate of about 34.7%. That is about 15% above the 2025 median of $174,209 for Associate Professor on the Sunshine List. Gregory Lewis has appeared on the list 17 times since 2008. 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
~$130,794
Effective income-tax rate (excl. CPP/EI)
~31.9%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~34.7%
vs. 2025 Associate Professor median
+15%

Where does $200,170 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 Ontario Tech University
2025

View all 478 employees at Ontario Tech University (2025) →