District of Columbia Bar, American and Federal Communications Bar Associations.

District of Columbia Bar American Bar Association Chairman, Subcommittee on Registration of Databases, Section on Patent, Trademark and Copyright, 1989-1990 Chairman, Subcommittee on Protection of Databases, 1990-1992 Federal Communications Bar Assoc

District of Columbia Bar Federal Communications Bar Association Member, Executive Committee, 2001 Co-Chair, Mass Media Committee, 2000-2001 Co-Chair, Access to Records Committee, 2001-2004.

District of Columbia Bar Federal Communications Bar Association Co-Chair, Transaction Practice Committee Member, Mass Media Committee.

District of Columbia Bar Maryland State Bar Association Federal Communications Bar Association.

District of Columbia Bar American Bar Association Federal Communications Bar Association Secretary, 1997-1998 Trustee, Federal Communications Bar Association Foundation, 1993-1996.