| 2022 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2022 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2021 | Front Exhibition Company | 990 | Board Member (Until 04/2021) | 2 | $0 | $0 | View return |
| 2021 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2020 | Front Exhibition Company | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Cleveland International Film Festival Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2020 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2019 | Front Exhibition Company | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2019 | Cleveland International Film Festival Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2019 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Front Exhibition Company | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | Cleveland International Film Festival Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Performa Inc. | 990 | Emeritus Board Chair | 2 | $0 | $0 | View return |
| 2018 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Cleveland Museum of Art | 990 | Board Member (End 6/2019) | 1 | $0 | $0 | View return |
| 2018 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2017 | Front Exhibition Company | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Museum of Contemporary Art Cleveland | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2017 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2017 | Performa Inc. | 990 | Honorary Chairman | 2 | $0 | $0 | View return |
| 2017 | Cleveland Museum of Art | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Cleveland International Film Festival Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Front Exhibition Company | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Cleveland Museum of Art | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Cleveland International Film Festival Inc. | 990 | Directors | 1 | $0 | $0 | View return |
| 2016 | Museum of Contemporary Art Cleveland | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Performa Inc. | 990 | Board Chairman | 2 | $0 | $0 | View return |
| 2016 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2016 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Performa Inc. | 990 | Board Chairman | 2 | $0 | $0 | View return |
| 2015 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Cleveland International Film Festival Inc. | 990 | Directors | 1 | $0 | $0 | View return |
| 2015 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2015 | Cleveland Museum of Art | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Museum of Contemporary Art Cleveland | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Museum of Contemporary Art Cleveland | 990 | Vice President | 1 | $0 | $0 | View return |
| 2014 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2014 | Cleveland Museum of Art | 990 | Board Member (Begin 9/2014) | 1 | $0 | $0 | View return |
| 2013 | The Cleveland Institute of Art | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Aspen Art Museum Foundation | 990 | Co-Secretary | 2 | $0 | $0 | View return |
| 2013 | New Museum of Contemporary Art | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | Museum of Contemporary Art Cleveland | 990 | Vice President | 1 | $0 | $0 | View return |
| 2013 | Aspen Art Museum | 990 | Trustee | 2 | $0 | $0 | View return |
| 2010 | Artpace Inc. | 990PF | Director | 2 | $0 | $0 | View return |