Canada · Public Sector Salary DisclosureEdition 2025
MA
On the 2025 Sunshine List · 17 years

Mark Aitken

Chief Administrative Officer · County Of Simcoe
Chief Administrative OfficerOntarioFirst listed 2009
2025 Total Compensation Paid
$338,802.97
▲ 65.7% since 2009

Mark Aitken was paid $338,802.97 in total compensation as Chief Administrative Officer at County Of Simcoe in 2025, 239% above Ontario's $100,000.00 Sunshine List threshold.

Mark Aitken has appeared on the Ontario Sunshine List 17 times since 2009, earning $4.6M in combined disclosed pay — an average of $268,635.00 a year, up 66% over that span.

That is 178% above the average disclosed pay of $122,076.65 across 584 listed County Of Simcoe employees.

$338,802.97
Latest compensation
in 2025
$4.6M
Total compensation
across 17 years
$268,635.00
Average / year
while on Sunshine List
+65.7%
Career growth
since 2009
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FIG. 01

17 years on the list

Annual total compensation (CAD) — hover to inspect.

$180K$224K$268K$311K$355K20092010201120122013201420152016201720182019202020212022202320242025
FIG. 02

The career in numbers

Totals, averages, and the biggest moves — all total compensation.

A career, year by year.

How Mark Aitken's total compensation has moved across 17 years on the Ontario Sunshine List.

Highest year2025 · $338,802.97
Lifetime total compensation$4.6M
Annual average$268,635.00
Total growth since 2009+65.7%
Biggest raise+21.7% (2012)
Biggest drop-4.9% (2013)
FIG. 03

Year-by-year history

17 years on the Sunshine List.

YearPositionTotal CompensationChange
2025Latest★ Best
Chief Administrative Officer$338,802.97▲ 10.8%
2024
Chief Administrative Officer$305,676.36▼ 0.1%
2023
$305,986.03▲ 1.7%
2022
Chief, Administrative Officer↑ role changed$300,835.74▲ 3.4%
2021
Chief Administrative Officer$291,055.14▲ 2.1%
2020
Chief Administrative Officer$285,106.23▼ 2.2%
2019
Chief Administrative Officer$291,413.87▲ 4.0%
2018
Chief Administrative Officer$280,319.66▲ 3.5%
2017
Chief Administrative Officer$270,940.64▲ 1.5%
2016
Chief Administrative Officer$266,936.63▲ 2.0%
2015
Chief Administrative Officer$261,786.29▲ 3.3%
2014
Chief Administrative Officer$253,511.97▲ 5.0%
2013
Chief Administrative Officer$241,387.84▼ 4.9%
2012
Chief Administrative Officer$253,725.38▲ 21.7%
2011
Chief Administrative Officer$208,469.06▲ 1.0%
2010
Chief Administrative Officer$206,351.13▲ 0.9%
2009First
Chief Administrative Officer$204,494.40
17 years total$4.6M total$268,635.00 avg
FIG. 04

The record

Source data and how to request a correction.

Employee details

Position
Chief Administrative Officer
Sector
Province
Ontario
First appeared
2009
Latest disclosure
2025
Years on list
17

Data source

Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.

Name removal

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