Trefford Simpson

2023 Salary — last year on the list

$225,790

Total compensation $226,179, including $389 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
2023

Employer Rank

#232

University of Waterloo

Years on List

2004–2023

Peak Salary

$225,790

2023

Full 2023 roster at University of Waterloo →·See where $225,790 ranks →

Total Compensation History

Total compensation, 2004–2023. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
2004–2023

$102,713 in 2004 is worth about $161,084 in 2025 dollars.

Full salary history, by year
Year	Employer	Position	Salary	Benefits	Total
2023	University Of Waterloo	ProfessorUniversity Of Waterloo	$225,790	$389	$226,179
2022	University Of Waterloo	ProfessorUniversity Of Waterloo	$182,782	$509	$183,292
2021	University Of Waterloo	ProfessorUniversity Of Waterloo	$211,072	$571	$211,643
2020	University Of Waterloo	ProfessorUniversity Of Waterloo	$206,360	$551	$206,910
2019	University Of Waterloo	ProfessorUniversity Of Waterloo	$200,535	$565	$201,100
2018	University of Waterloo	ProfessorUniversity of Waterloo	$194,040	$573	$194,613
2017	University of Waterloo	ProfessorUniversity of Waterloo	$193,044	$613	$193,657
2016	University of Waterloo	ProfessorUniversity of Waterloo	$219,410	$655	$220,064
2015	University of Waterloo	ProfessorUniversity of Waterloo	$211,462	$689	$212,151
2014	University of Waterloo	ProfessorUniversity of Waterloo	$168,454	$652	$169,106
2013	University of Waterloo	ProfessorUniversity of Waterloo	$165,409	$475	$165,884
2012	University of Waterloo	ProfessorUniversity of Waterloo	$157,435	$506	$157,941
2011	University of Waterloo	ProfessorUniversity of Waterloo	$148,054	$1,132	$149,186
2010	University of Waterloo	ProfessorUniversity of Waterloo	$143,542	$1,168	$144,710
2009	University of Waterloo	ProfessorUniversity of Waterloo	$138,134	$1,166	$139,299
2008	University of Waterloo	ProfessorUniversity of Waterloo	$129,260	$3,513	$132,774
2007	University of Waterloo	ProfessorUniversity of Waterloo	$121,379	$945	$122,325
2006	University of Waterloo	ProfessorUniversity of Waterloo	$119,321	$788	$120,109
2005	University of Waterloo	ProfessorUniversity of Waterloo	$113,010	$668	$113,679
2004	University of Waterloo	Assoc. ProfessorUniversity of Waterloo	$102,713	$587	$103,299

Take-Home Pay
(After Tax) · 2023 estimate

Of the $225,790 Trefford Simpson earned in 2023, roughly $142,045 would remain after income tax, CPP and EI, an all-in deduction rate of about 37.1%. That is about 24% more than the $182,782 paid in 2022. That is about 76% above the 2023 median of $128,221 for Professor on the Sunshine List. 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: ~$142,045
Effective income-tax rate (excl. CPP/EI): ~35.0%
CPP + EI contributions: ~$4,756
All-in deduction rate (incl. CPP/EI): ~37.1%
vs. 2023 Professor median: +76%

Where does $225,790 rank on the Sunshine List? →

Estimate only: 2023 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 University of Waterloo
2023

Also at University of Waterloo, 2023
#	Name	Position	Salary	Total
1	Vivek Goel	President	$494,223	$496,700
2	Kenneth Klassen	Professor	$382,255	$383,188
3	James Rush	Vice-President, Academic and Provost	$363,000	$374,026
4	Raymond Laflamme	Professor	$356,245	$357,465
5	Blake Phillips	Associate Professor	$340,695	$341,590
6	Jacinda Reitsma	Vice-President, Administration and Finance	$338,000	$338,591
7	Steve Fortin	Associate Professor	$336,315	$337,301
8	Deborah Kraft	Lecturer	$335,083	$335,403
9	Elizabeth Demers	Professor	$334,054	$334,555
10	Anita Layton	Professor	$326,897	$327,983