| ● | The Association of the Bar of the City of New York - Committee on Education and the Law, 2003-2006 - Committee on Estate and Gift Taxation, 2000-2003 - Committee on Trusts, Estates and Surrogate's Courts,   1989-1992, former chair, 1995-1998 |
| ● | New York State Bar Association - Trust and Estates Law Section - Estate and Trust Administration Committee, former chair - Ad Hoc Committees on the Prudent Investor Act and the Principal and Income Act |
| ● | New York City Ballet, Professional Advisors Committee, 1997-present (founder and co-chair) |
| ● | Museum of Modern Art, Professional Advisory Committee, 2000-present |
| ● | Metropolitan Museum of Art, Professional Advisory Committee, 2003-present |
| ● | New York Presbyterian Hospital, Planned Giving Advisory Council, 2006-present |
| ● | United Way of New York City, Board of Directors, 1985-1995 |
