Christine Costa
McMaster University/Educational Instructor / Organizational Development and Employee Effectiveness Consultant
2023 Salary — last year on the list
$115,720Total compensation $118,634, including $2,914 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
#1,314McMaster University
Years on List
62018–2023
Peak Salary
$119,7172020
Full 2023 roster at McMaster University →·See where $115,720 ranks →
Total Compensation History
Full History
2018–2023
$102,978 in 2018 is worth about $126,754 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2023 | Educational Instructor / Organizational Development and Employee Effectiveness ConsultantMcMaster University | $115,720Benefits $2,914Total $118,634 |
| 2022 | Educational Instructor / Organizational Development and Employee Effectiveness ConsultantMcMaster University | $104,398Benefits $6,590Total $110,987 |
| 2021 | Organizational Development and Design Consultant / Educational InstructorMcMaster University | $103,186Benefits $6,453Total $109,639 |
| 2020 | Organizational Development and Design Consultant / Educational InstructorMcMaster University | $119,717Benefits $6,650Total $126,367 |
| 2019 | Organizational Development and Design ConsultantMcMaster University | $105,839Benefits $6,102Total $111,941 |
| 2018 | Organizational Development and Design ConsultantMcMaster University | $102,978Benefits $5,656Total $108,635 |
Take-Home Pay
(After Tax) · 2023 estimate
Of the $115,720 Christine Costa earned in 2023, roughly $83,140 would remain after income tax, CPP and EI, an all-in deduction rate of about 28.2%. Compared with 2022, when the figure was $104,398, that is a rise of about 11%. Records under this name have appeared on the Sunshine List 6 years in all, first in 2018. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$83,140
- Effective income-tax rate (excl. CPP/EI)
- ~24.0%
- CPP + EI contributions
- ~$4,756
- All-in deduction rate (incl. CPP/EI)
- ~28.2%
Where does $115,720 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.