Rosanna Difonzo
Business Support Supervisor
Employer
Ontario Power GenerationProvince
OntarioYear
2024Sector
Ontario Power GenerationJob Title
Business Support SupervisorCompensation at a Glance
Latest (2025)
$111,492.65
+3.5% YoY
Career Earnings
$219,222.83
2 years on record
Career High
$111,492.65
in 2025
Average Annual
$109,611.42
+3% total growth
2024 Compensation Breakdown
Salary
$102,328.60
Benefits
$5,401.58
Compensation History
Loading chart...
Compensation History
| Year | Compensation | % Change |
|---|---|---|
| 2025 | $111,492.65 | +3.5% |
| 2024 | $107,730.18 | – |
Explore related people
Browse peers by employer, role, and name.
Top earners at Ontario Power Generation
- Kenneth HartwickPresident and Chief Executive Officer$2,018,436
- Nicolle ButcherChief Operations Officer$979,739
- Steve GregorisChief Nuclear Officer$922,902
- Subo SinnathambyChief Projects Officer$852,350
- Aida CipollaChief Financial Officer and Corporate Services Officer$837,533
- Jon FrankeSenior Vice President Nuclear$820,155
Highest-paid Business Support Supervisor in Ontario
- Bonnie SiderisBusiness Support Supervisor$127,453
- Esperance D'SouzaBusiness Support Supervisor$113,945