| Position | Years |
|---|
| Member, Inner Circle of Advocates | Current |
| Member, American Judicature Society | Current |
| Member, Trial Lawyers for Public Justice | Current |
| Member, Boston Bar Association | Current |
| Member, Middlesex County Bar Association | Current |
| Member, Massachusetts Bar Association | Current |
| Member, Massachusetts Trial Lawyers Association | Current |
| Member, American Bar Association | Current |
| Member, Association of Trial Lawyers of America | Current |
| Member, New York State Bar Association | Current |
| Member, Massachusetts Academy of Trial Lawyers | Current |
| Member, Attorney General's Speakers' Bureau | Current |
| Chairman, Committee on Tort Law, Massachusetts Trial Lawyers Association | Current |
| Member, Executive Committee, Massachusetts Trial Lawyers Association | Current |
| National Chairman, Committee on CLE , Association of Trial Lawyers of America | Current |
| Vice-Chairman, Committee on Publications , Association of Trial Lawyers of America | Current |
| Member, Texas Trial Lawyers Association | Current |
| Director, Massachusetts Academy Trial Attorneys | 1988-Current |
| Founder and President, World Against Toys Causing Harm, Inc. (W.A.T.C.H.) | 1985-Current |
| Member, Board of Experts , Lawyers Alert News Magazine | 1984-Current |
| Sustaining Founder , Trial Lawyers for Public Justice | 1983-Current |
| President, Massachusetts Trial Lawyers Association | 1974-Current |
| Vice-President, Massachusetts Society for the Prevention of Blindness | 1973-Current |
| President, Boston University Law Review Alumni Association | 1971-Current |
| Member, Board of Directos, Boston University Law School Alumni Association | 1971-Current |
| Chairman, Attorney General's Committee on Conflict of Interest | 1970-Current |
| Board of the Health Devices Evaluation Program , Emergency Care Research Institute, Member, Advisory and Editorial | 1970-Current |
| Fund Raising Chairman, Massachusetts Society for the Prevention of Blindness | 1974-1975 |
| Consultant, Committee on Accident Prevention , American Society of Plastic and Reconstructive Surgeons | 1972-1973 |
| Member, Association of Trial Lawyers of America | 1968-1971 |