About Mark Walton

Mark Walton appears on the Ontario Sunshine List with a 2025 disclosed salary of $387,994 plus $1,326 in taxable benefits (total $389,319). Mark is listed as President and Chief Executive Officer at Guelph General Hospital, in the Hospitals & Boards of Public Health sector.

Mark has appeared on the Ontario Public Sector Salary Disclosure every year from 2015 through 2025 — 11 consecutive years. Their reported salary has grown from $218,873 in 2015 to $387,994 in 2025 — a 77.3% change over 10 years.

Within the Hospitals & Boards of Public Health sector that year, Mark's $387,994 placed them in the 100th percentile (sector average: $126,617). Across the entire 2025 disclosure, this places them in the top 1% of all disclosed earners that year. Over their time on the list, Mark has had several role or employer changes: moved to Halton Healthcare Services Corporation in 2016; moved to Ontario Health in 2021; took on the role of Senior Vice President, COVID-19 Pandemic Response/Vice-président principal, Lutte contre la pandémie de la COVID-19 in 2022; moved to Guelph General Hospital in 2023.

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