| 2024 | Miriam and Arthur Diamond Charitable Trust | 990PF | Trustee | 5 | $25,473 | $0 | View return |
| 2024 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $7,351 | $0 | View return |
| 2024 | Amsterdam Nursing Home Corporation (1992) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2023 | Miriam and Arthur Diamond Charitable Trust | 990PF | Trustee | 5 | $21,354 | $0 | View return |
| 2023 | Harry B Mathews III 2006 Irrev Crut | 990PF | Co-Trustee | 1 | $15,900 | $0 | View return |
| 2023 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $6,491 | $0 | View return |
| 2023 | Amsterdam Continuing Care Health System Inc. | 990 | Director, Thru 2/8/2023 | 0.1 | $0 | $0 | View return |
| 2023 | Amsterdam Nursing Home Corporation (1992) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Miriam and Arthur Diamond Charitable Trust | 990PF | Trustee | 5 | $16,023 | - | View return |
| 2022 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $7,083 | $0 | View return |
| 2022 | Harry B Mathews III 2006 Irrev Crut | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2022 | Amsterdam Continuing Care Health System Inc. | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | Amsterdam Nursing Home Corporation (1992) | 990 | Director | 0.5 | $0 | $0 | View return |
| 2021 | Miriam and Arthur Diamond Charitable Trust | 990PF | Trustee | 5 | $15,177 | - | View return |
| 2021 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $6,738 | $0 | View return |
| 2021 | Amsterdam Continuing Care Health System Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2021 | Amsterdam Nursing Home Corporation (1992) | 990 | Director | 0.3 | $0 | $0 | View return |
| 2021 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2020 | Miriam and Arthur Diamond Charitable Trust | 990PF | Trustee | 5 | $16,442 | - | View return |
| 2020 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $6,539 | $0 | View return |
| 2020 | Amsterdam Continuing Care Health System Inc. | 990 | Director | 0.3 | $0 | $0 | View return |
| 2020 | Amsterdam Nursing Home Corporation (1992) | 990 | Director | 0.3 | $0 | $0 | View return |
| 2020 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2019 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $8,258 | $0 | View return |
| 2019 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2019 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2019 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2018 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $8,978 | $0 | View return |
| 2018 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2018 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2018 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2018 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2017 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $7,397 | $0 | View return |
| 2017 | British Schools and Universities Foundation Inc. | 990 | Vice President & General C | 0 | $0 | $0 | View return |
| 2017 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2017 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2016 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $7,798 | $0 | View return |
| 2016 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2016 | British Schools and Universities Foundation Inc. | 990 | Vice President & General C | 0 | $0 | $0 | View return |
| 2016 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2016 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2015 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $7,356 | $0 | View return |
| 2015 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2015 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2015 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2014 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $8,892 | $0 | View return |
| 2014 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2014 | British Schools and Universities Foundation Inc. | 990 | General Counsel | 0 | $0 | $0 | View return |
| 2014 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2014 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $8,924 | $0 | View return |
| 2013 | Amsterdam Nursing Home Corporation (1992) | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2013 | Anh Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2013 | Amsterdam House Continuing Care Retirement Community Inc | 990 | Secretary | 0.3 | $0 | $0 | View return |
| 2013 | Amsterdam Continuing Care Health System Inc. | 990 | Board Member | 0.3 | $0 | $0 | View return |
| 2012 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $9,957 | $0 | View return |
| 2011 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $10,381 | $0 | View return |
| 2010 | The Harold & Helene Schonberg Pianist Scholarship Trust | 990PF | Trustee | 2 | $10,566 | $0 | View return |