Marianne Seminsky
Ontario Power Generation/Senior Advisor Finance
2025 Salary
$189,801Total compensation $191,038, including $1,236 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
#2,763Ontario Power Generation
Years on List
222004–2025
Peak Salary
$189,8012025
Full 2025 roster at Ontario Power Generation →·See where $189,801 ranks →
Total Compensation History
Full History
2004–2025
$102,154 in 2004 is worth about $160,207 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Advisor FinanceOntario Power Generation | $189,801Benefits $1,236Total $191,038 |
| 2024 | Senior Advisor FinanceOntario Power Generation | $183,756Benefits $1,196Total $184,952 |
| 2023 | Senior Advisor FinanceOntario Power Generation | $180,225Benefits $1,114Total $181,339 |
| 2022 | Senior Advisor FinanceOntario Power Generation | $165,261Benefits $1,075Total $166,336 |
| 2021 | Senior Advisor FinanceOntario Power Generation | $162,426Benefits $1,057Total $163,483 |
| 2020 | Senior Advisor FinanceOntario Power Generation | $164,890Benefits $1,035Total $165,925 |
| 2019 | Senior Advisor FinanceOntario Power Generation | $155,887Benefits $1,013Total $156,900 |
| 2018 | Senior Advisor FinanceOntario Power Generation | $152,935Benefits $995Total $153,930 |
| 2017 | Senior Advisor FinanceOntario Power Generation | $154,349Benefits $985Total $155,334 |
| 2016 | Senior Advisor, FinanceOntario Power Generation | $151,377Benefits $974Total $152,351 |
| 2015 | Senior Advisor, FinanceOntario Power Generation | $148,388Benefits $968Total $149,355 |
| 2014 | Senior Advisor, FinanceOntario Power Generation | $145,304Benefits $951Total $146,256 |
| 2013 | Senior Advisor, FinanceOntario Power Generation | $142,350Benefits $932Total $143,282 |
| 2012 | Senior Advisor, FinanceOntario Power Generation | $140,289Benefits $925Total $141,214 |
| 2011 | Senior Advisor, FinanceOntario Power Generation | $139,705Benefits $896Total $140,601 |
| 2010 | Senior Advisor, FinanceOntario Power Generation | $134,813Benefits $780Total $135,593 |
| 2009 | Senior Advisor, FinanceOntario Power Generation | $135,470Benefits $756Total $136,226 |
| 2008 | Senior Advisor, FinanceOntario Power Generation | $130,983Benefits $780Total $131,763 |
| 2007 | Senior Advisor, FinanceOntario Power Generation | $125,579Benefits $614Total $126,193 |
| 2006 | Financial SpecialistOntario Power Generation | $110,762Benefits $623Total $111,385 |
| 2005 | Financial SpecialistOntario Power Generation | $102,802Benefits $677Total $103,479 |
| 2004 | Financial SpecialistOntario Power Generation | $102,154Benefits $644Total $102,798 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $189,801 Marianne Seminsky earned in 2025, roughly $125,429 would remain after income tax, CPP and EI, an all-in deduction rate of about 33.9%. At Ontario Power Generation, 10,346 people made the 2025 list with a median salary of $161,066; Marianne Seminsky's total compensation of $191,038 ranked #2,763. Marianne Seminsky has appeared on the list 22 times since 2004. This estimate leaves out pension contributions; members of OMERS, OTPP, HOOPP or OPTrust typically take home another 7–10% less.
- Estimated net pay
- ~$125,429
- Effective income-tax rate (excl. CPP/EI)
- ~31.0%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~33.9%
- vs. 2025 Senior Advisor Finance median
- +16%
Where does $189,801 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.