Marson Mao
City of Toronto/Senior Systems Integrator Technology Services
2025 Salary
$165,873Total compensation $166,819, including $947 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
#1,655City of Toronto
Years on List
162010–2025
Peak Salary
$165,8732025
Full 2025 roster at City of Toronto →·See where $165,873 ranks →
Total Compensation History
Full History
2010–2025
$109,360 in 2010 is worth about $154,137 in 2025 dollars.
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Marson Mao's $165,873 salary works out to roughly $112,621 after income tax, CPP and EI — an all-in deduction rate of about 32.1%. Among those listed as Senior Systems Integrator Technology Services in 2025, the median was $137,320; this salary sits about 21% above it. Marson Mao has appeared on the list 16 times since 2010. Most Municipalities & Services employees belong to OMERS, so actual take-home is likely another 7–10% lower after pension contributions.
- Estimated net pay
- ~$112,621
- Effective income-tax rate (excl. CPP/EI)
- ~28.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~32.1%
- vs. 2025 Senior Systems Integrator Technology Services median
- +21%
Where does $165,873 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.