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Diane Tomassi

Workplace Safety and Insurance Board/Assistant Director, Payment Services / Direction adjointe – Services de paiement

2025 Salary

$132,707

Total compensation $133,372, including $665 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

#525

Workplace Safety and Insurance Board

Years on List

6

2020–2025

Peak Salary

$132,707

2025

Full 2025 roster at Workplace Safety and Insurance Board·See where $132,707 ranks →

Total Compensation History

Total compensation by yearLine chart of 6 yearly values of total compensation, from $103,119 in 2020 to $133,372 in 2025.$100K$110K$120K$130K$140K202020212022202320242025
Total compensation, 2020–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
20202025

$102,902 in 2020 is worth about $123,333 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025Assistant Director, Payment Services / Direction adjointe – Services de paiementWorkplace Safety And Insurance Board$132,707
2024Assistant Director, Payment Services/Directrice adjointe, Services de paiementWorkplace Safety And Insurance Board$127,060
2023Assistant Director, Payment Services/Directrice Adjointe, Services De PaiementWorkplace Safety And Insurance Board / Commission De La Sécurité Professionnelle Et De L'Assurance Contre Les Accidents Du Travail$122,091
2022Manager, Payment Services/Chef De Service, Services De PaiementWorkplace Safety And Insurance Board$105,789
2021Development Specialist Ben Pay/Spécialiste du développement, Versements d’indemnisationWorkplace Safety And Insurance Board$100,667
2020Development Specialist, Benefit Payment Services\Spécialiste du développement, Services des versements d’indemnisationWorkplace Safety And Insurance Board$102,902

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Diane Tomassi's 2025 salary of $132,707 comes to roughly $94,083 once federal and Ontario income tax (about 25.0% effective) is deducted. At Workplace Safety and Insurance Board, 2,010 people made the 2025 list with a median salary of $116,678; Diane Tomassi's total compensation of $133,372 ranked #525. It is up about 4% on the $127,060 paid in 2024. After pension contributions (probably PSPP or OPTrust in this sector), take-home is usually a further 7–10% lower.

Estimated net pay
~$94,083
Effective income-tax rate (excl. CPP/EI)
~25.0%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~29.1%

Where does $132,707 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 Workplace Safety and Insurance Board
2025

View all 2,010 employees at Workplace Safety and Insurance Board (2025) →