| 2025 | Tmst Charitable Foundation Inc. | 990PF | VP/Director | 1 | $0 | $0 | View return |
| 2024 | Tmst Charitable Foundation Inc. | 990PF | VP/Director | 1 | $0 | $0 | View return |
| 2024 | Chautauqua Region Industrial Development Corporation | 990 | Director(Resigned 7/2024) | 0.8 | $0 | $0 | View return |
| 2023 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $196,951 | $0 | View return |
| 2023 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $108,423 | $0 | View return |
| 2023 | Tmst Charitable Foundation Inc. | 990PF | VP/Director | 1 | $0 | $0 | View return |
| 2023 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $179,749 | $0 | View return |
| 2022 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $104,222 | $0 | View return |
| 2022 | Tmst Charitable Foundation Inc. | 990PF | VP/Director | 1 | $0 | $0 | View return |
| 2022 | Chautauqua Region Industrial Development Corporation | 990 | Director | 0.8 | $0 | $0 | View return |
| 2022 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2021 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $180,420 | $0 | View return |
| 2021 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $99,864 | $0 | View return |
| 2021 | Chautauqua Region Industrial Development Corporation | 990 | Director | 0.8 | $0 | $0 | View return |
| 2021 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2021 | United States of America Wrestling Association | 990 | Board Member | 5 | $0 | $0 | View return |
| 2020 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $169,092 | $0 | View return |
| 2020 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $99,208 | $0 | View return |
| 2020 | Chautauqua Region Industrial Development Corporation | 990 | Director | 0.8 | $0 | $0 | View return |
| 2020 | Southern Tier Building Trades Welfare Plan | 990 | Secretary | 0.2 | $0 | $0 | View return |
| 2019 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $169,130 | $0 | View return |
| 2019 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $94,267 | $0 | View return |
| 2019 | Chautauqua Region Industrial Development Corporation | 990 | Director | 0.8 | $0 | $0 | View return |
| 2019 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2018 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $159,507 | $0 | View return |
| 2018 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $91,313 | $0 | View return |
| 2018 | Chautauqua Region Industrial Development Corporation | 990 | Director | 0.8 | $0 | $0 | View return |
| 2018 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $159,318 | $0 | View return |
| 2017 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $159,318 | $0 | View return |
| 2017 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $89,474 | $0 | View return |
| 2017 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Southern Tier Building Trades Welfare Plan | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2016 | Governing Council of the University of Toronto | 990 | Professor Of Materials Science And Engineering | 36.25 | $155,515 | $0 | View return |
| 2016 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $88,234 | $0 | View return |
| 2015 | Governing Council of the University of Toronto | 990 | Teaching Staff | 36.25 | $143,318 | $0 | View return |
| 2015 | Cloverdale Arts Alliance | 990 | Director | 5 | $0 | $0 | View return |
| 2015 | Cloverdale Arts Alliance | 990 | Director | 5 | $0 | $0 | View return |
| 2014 | Governing Council of the University of Toronto | 990 | Teaching Staff | 36.25 | $162,665 | $0 | View return |
| 2014 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $87,957 | $0 | View return |
| 2013 | Governing Council of the University of Toronto | 990 | Teaching Staff | 36.25 | $173,968 | $0 | View return |
| 2013 | International Association of Sheet Metal Air Rail & Transportation | 990 | Business Rep | 44 | $87,862 | $0 | View return |