About Joseph Diening

Joseph Diening appears on the Ontario Sunshine List with a 2025 disclosed salary of $418,018 plus $593 in taxable benefits (total $418,611). Joseph is listed as Vice President New Nuclear Growth at Ontario Power Generation, in the Ontario Power Generation sector.

Joseph has been disclosed in 15 of the 16 years between 2010 and 2025. Their reported salary has grown from $116,565 in 2010 to $418,018 in 2025 — a 258.6% change over 15 years.

Within the Ontario Power Generation sector that year, Joseph's $418,018 placed them in the 99th percentile (sector average: $170,459). Across the entire 2025 disclosure, this places them in the top 1% of all disclosed earners that year. Over their time on the list, Joseph has had several role or employer changes: took on the role of Section Manager, Projects in 2011; took on the role of Manager Projects in 2015; took on the role of Project Director in 2019; took on the role of Vice President New Nuclear Growth in 2025.

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