About David Mastin

David Mastin appears on the Ontario Sunshine List with a 2025 disclosed salary of $210,367. David is listed as Elementary Teacher at Durham District School Board, in the School Boards sector.

David has been disclosed in 8 of the 11 years between 2015 and 2025. Their reported salary has grown from $108,318 in 2015 to $210,367 in 2025 — a 94.2% change over 10 years.

Within the School Boards sector that year, David's $210,367 placed them in the 100th percentile (sector average: $122,996). Across the entire 2025 disclosure, this places them in the top 4% of all disclosed earners that year.

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