Maria Koszarny
Workplace Safety and Insurance Board/Case Manager, Specialized Services / Gestionnaire de cas – Services spécialisés
2025 Salary
$114,500Total compensation $115,020, including $520 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
#1,086Workplace Safety and Insurance Board
Years on List
62020–2025
Peak Salary
$130,6872021
Full 2025 roster at Workplace Safety and Insurance Board →·See where $114,500 ranks →
Total Compensation History
Full History
2020–2025
$113,479 in 2020 is worth about $136,010 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Case Manager, Specialized Services / Gestionnaire de cas – Services spécialisésWorkplace Safety And Insurance Board | $114,500Benefits $520Total $115,020 |
| 2024 | Case Manager/Gestionnaire de casWorkplace Safety And Insurance Board | $113,450Benefits $815Total $114,266 |
| 2023 | Case Manager/Gestionnaire De CasWorkplace Safety And Insurance Board / Commission De La Sécurité Professionnelle Et De L'Assurance Contre Les Accidents Du Travail | $115,924Benefits $667Total $116,591 |
| 2022 | Case Manager/Gestionnaire De CasWorkplace Safety And Insurance Board | $108,758Benefits $556Total $109,314 |
| 2021 | Case Manager/Gestionnaire de casWorkplace Safety And Insurance Board | $130,687Benefits $553Total $131,240 |
| 2020 | Case Manager\Gestionnaire de casWorkplace Safety And Insurance Board | $113,479Benefits $507Total $113,986 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Maria Koszarny's $114,500 salary works out to roughly $83,706 after income tax, CPP and EI — an all-in deduction rate of about 26.9%. Within Workplace Safety and Insurance Board, Maria Koszarny's total compensation of $115,020 was the #1,086 of 2,010, against a median salary of $116,678. It is up about 1% on the $113,450 paid in 2024. Most Crown Agencies employees belong to PSPP or OPTrust, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$83,706
- Effective income-tax rate (excl. CPP/EI)
- ~22.1%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.9%
- vs. 2025 Case Manager Specialized Services median
- +11%
Where does $114,500 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.