Gemma Louise Sim
Regional Municipality of Durham/Manager, Financial Information Management Systems
2023 Salary — last year on the list
$134,709Total compensation $135,608, including $899 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
#579Regional Municipality of Durham
Years on List
42020–2023
Peak Salary
$142,5732021
Full 2023 roster at Regional Municipality of Durham →·See where $134,709 ranks →
Total Compensation History
Full History
2020–2023
$107,828 in 2020 is worth about $129,237 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2023 | Manager, Financial Information Management SystemsRegional Municipality Of Durham | $134,709Benefits $899Total $135,608 |
| 2022 | Program/Project ManagerRegional Municipality Of Durham | $121,591Benefits $725Total $122,316 |
| 2021 | Program Manager, myDurham311Regional Municipality Of Durham | $142,573Benefits $661Total $143,234 |
| 2020 | Business AnalystRegional Municipality Of Durham | $107,828Benefits $614Total $108,442 |
Take-Home Pay
(After Tax) · 2023 estimate
Of the $134,709 Gemma Louise Sim earned in 2023, roughly $93,886 would remain after income tax, CPP and EI, an all-in deduction rate of about 30.3%. On total compensation of $135,608, Gemma Louise Sim ranked #579 of 2,099 disclosed at Regional Municipality of Durham that year, where the median salary was $121,511. Pension contributions — likely OMERS in the Municipalities & Services sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$93,886
- Effective income-tax rate (excl. CPP/EI)
- ~26.8%
- CPP + EI contributions
- ~$4,756
- All-in deduction rate (incl. CPP/EI)
- ~30.3%
Where does $134,709 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.