About Matthew Siple

Matthew Siple appears on the Ontario Sunshine List with a 2025 disclosed salary of $340,769 plus $344 in taxable benefits (total $341,113). Matthew is listed as Chief Negotiator, Labour and Employee Relations at Treasury Board Secretariat, in the Government of Ontario – Ministries sector.

Matthew has appeared on the Ontario Public Sector Salary Disclosure every year from 2016 through 2025 — 10 consecutive years. Their reported salary has grown from $122,164 in 2016 to $340,769 in 2025 — a 178.9% change over 9 years.

Within the Government of Ontario – Ministries sector that year, Matthew's $340,769 placed them in the 99th percentile (sector average: $144,785). Across the entire 2025 disclosure, this places them in the top 1% of all disclosed earners that year.

The interactive timeline and year-by-year breakdown below show every year Matthew has been disclosed under the Ontario Public Sector Salary Disclosure.