Canada · Public Sector Salary DisclosureEdition 2025
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On the 2025 Sunshine List · 9 years

William Rayburn

Chief Administrative Officer · County Of Middlesex
Chief Administrative OfficerOntarioFirst listed 2017
2025 Total Compensation Paid
$373,357.43
▲ 65.3% since 2017

William Rayburn was paid $373,357.43 in total compensation as Chief Administrative Officer at County Of Middlesex in 2025, 273% above Ontario's $100,000.00 Sunshine List threshold.

William Rayburn has appeared on the Ontario Sunshine List 9 times since 2017, earning $2.6M in combined disclosed pay — an average of $292,249.00 a year, up 65% over that span.

That is 155% above the average disclosed pay of $146,334.40 across 57 listed County Of Middlesex employees.

$373,357.43
Latest compensation
in 2025
$2.6M
Total compensation
across 9 years
$292,249.00
Average / year
while on Sunshine List
+65.3%
Career growth
since 2017
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FIG. 01

9 years on the list

Annual total compensation (CAD) — hover to inspect.

$199K$247K$295K$343K$391K201720182019202020212022202320242025
FIG. 02

The career in numbers

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

A career, year by year.

How William Rayburn's total compensation has moved across 9 years on the Ontario Sunshine List.

Highest year2025 · $373,357.43
Lifetime total compensation$2.6M
Annual average$292,249.00
Total growth since 2017+65.3%
Biggest raise+19.2% (2020)
Biggest drop-1.3% (2021)
FIG. 03

Year-by-year history

9 years on the Sunshine List.

YearPositionTotal CompensationChange
2025Latest★ Best
Chief Administrative Officer$373,357.43▲ 15.2%
2024
Chief Administrative Officer$324,095.08▲ 4.4%
2023
$310,522.95▲ 3.1%
2022
Chief Administrative Officer$301,078.57▲ 2.2%
2021
Chief Administrative Officer$294,498.85▼ 1.3%
2020
Chief Administrative Officer$298,412.38▲ 19.2%
2019
Chief Administrative Officer$250,430.87▼ 0.6%
2018
Chief Administrative Officer$251,919.43▲ 11.5%
2017First
Chief Administrative Officer$225,927.87
9 years total$2.6M total$292,249.00 avg
FIG. 04

The record

Source data and how to request a correction.

Employee details

Position
Chief Administrative Officer
Sector
Province
Ontario
First appeared
2017
Latest disclosure
2025
Years on list
9

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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