New York State Bar Association
- President
- Vice President
- Executive Committee, including Chair
- House of Delegates, including Chair
- Nominating Committee, including Chair
- Chair and Executive Committee, Commercial and Federal Litigation Section
- Committee to Review Judicial Nominations
- International Section, Vice Chair and Executive Committee
- Dispute Resolution Section
- Founder and Chair, International Litigation Committee of Section
- Founder and Chair, Commercial Court Task Force of Section
- Chair, Special Committee on Administrative Adjudication
- Chair, Special Committee on Continuing Legal Education
- Chair, Committee on Leadership Development
- Co-Chair, President’s Committee on Access to Justice
- Finance Committee
- Fellow, New York Bar Foundation.
American Bar Association
- Board of Governors; Profession, Public Service and Diversity Committee of Board
- House of Delegates
- Chair of New York Delegation
- State Delegate for New York
- Nominating Committee, including Steering Committee
- United Nations Delegation: Representative to United Nations; Special Advisor to Delegation
- ABA Day at the United Nations
- ABA Day in Washington, including Planning Committee
- Dispute Resolution Section
- International Section
- Litigation Section, including International Litigation Committee
- Fellow, American Bar Foundation
American College of Trial Lawyers
- Fellow
- Chair, Downstate NY Committee
- Chair, International Committee
New York City Bar Association
International Bar Association
- Arbitration Committee
New York County Lawyers Association
- Special Masters Committee
Chief Judge Kaye’s Commercial Courts Task Force.
Chief Judge Lippman’s Commercial Division Advisory Council
Commercial Bar Association of London (“COMBAR”): Honorary Overseas Member
- Frequent Speaker and Panelist
American Jewish Committee
- National Legal Committee
- Regional Executive Committee
- Regional Board
- Konrad Adenauer Fellow
- Diplomatic Outreach Committee
- Chair, Learned Hand Dinner
- Worldwide Missions to Engage Global Leaders