| 2019 | Anti-Defamation League Foundation | 990 | Trustee (Until August 2019) | 0.5 | $0 | $0 | View return |
| 2019 | The Carnegie Hall Corporation | 990 | Trustee (Until 8/22/19) | 1 | $0 | $0 | View return |
| 2019 | Anti-Defamation League Foundation Common | 990PF | Director Through 12/31/2019 | 1 | $0 | $0 | View return |
| 2018 | America-Israel Friendship League Inc | 990 | Chairman Of The Board | 5 | $0 | $0 | View return |
| 2018 | American Jewish Historical Society | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2018 | The Weill Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Anti-Defamation League Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Anti-Defamation League | 990 | Past Ntl Chair (Thru 11/18) | 2 | $0 | $0 | View return |
| 2018 | New York County Lawyers Association | 990 | Past President | 2 | $0 | $0 | View return |
| 2018 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Carnegie Hall Corporation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Anti-Defamation League Foundation | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | America-Israel Friendship League Inc | 990 | Chairman | 5 | $0 | $0 | View return |
| 2017 | American Jewish Historical Society | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2017 | The Weill Family Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Anti-Defamation League | 990 | Past National Chair | 2 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | The Carnegie Hall Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | America-Israel Friendship League Inc | 990 | President & Chairman | 5 | $0 | $0 | View return |
| 2016 | American Jewish Historical Society | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2016 | Anti-Defamation League | 990 | Past National Chair | 2 | $0 | $0 | View return |
| 2016 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | The Carnegie Hall Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2015 | The Center for Jewish History Inc | 990 | Director (Through 9/2015) | 2 | $0 | $0 | View return |
| 2015 | Anti-Defamation League | 990 | Past National Chair | 2 | $0 | $0 | View return |
| 2015 | American Jewish Historical Society | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2015 | America-Israel Friendship League Inc | 990 | President & Chairman | 5 | $0 | $0 | View return |
| 2015 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Society Inc | 990 | Secretary Since Oct 2015 | 1 | $0 | $0 | View return |
| 2015 | The Carnegie Hall Corporation | 990 | Secretary Since Oct 2015 | 1 | $0 | $0 | View return |
| 2015 | Conference of Presidents of Major Jewish | 990 | Vice President | 2 | $0 | $0 | View return |
| 2014 | American Jewish Historical Society | 990 | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2014 | Anti-Defamation League | 990 | Past Nat'L Chair, Nat'L Commis | 2 | $0 | $0 | View return |
| 2014 | The Mariinsky Foundation of America Inc | 990 | Director Until Oct 2014 | 0.5 | $0 | $0 | View return |
| 2014 | The Center for Jewish History Inc | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2014 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Carnegie Hall Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | The Mariinsky Foundation of America Inc | 990 | Director Until Oct 2014 | 0.5 | $0 | $0 | View return |
| 2014 | Conference of Presidents of Major Jewish | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | American Jewish Historical Society | 990 | Chairman Emeritus | 2 | $0 | - | View return |
| 2013 | Republican Jewish Coalition | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Mariinsky Foundation of America Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | Anti-Defamation League | 990 | Past Nat'L Chair, Nat'L Commis | 2 | $0 | $0 | View return |
| 2013 | The Center for Jewish History Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Conference of Presidents of Major Jewish | 990 | Vice President | 2 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Corporation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2013 | The Carnegie Hall Society Inc | 990 | Secretary | 1 | $0 | $0 | View return |
| 2012 | Bialkin Family Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |