State Bar of Arizona American Bar Association.

Maricopa County and American Bar Associations State Bar of Arizona State Bar of Wisconsin.

The Missouri Bar State Bar of Arizona Member, Section on Taxation.

Maricopa County Member, Corporate Counsel Division and American Member, Sections on Business Law Real Property Probate Law Bar Associations State Bar of Arizona Member, Sections on Business Law, Chairman, 1997-1998 Real Estate Law.

State Bar of Arizona Member, Executive Council, Environmental and Natural Resources Section.

Maricopa County Immediate Past President, Young Lawyers Division and American Director, Past Disaster Legal Services Coordinator, Executive Council, Young Lawyers Division Bar Associations.

Maricopa County Member, Investment Advisory Committee, 1988-1994 and American Member, Litigation Section Bar Associations State Bar of Arizona Member, Sections on Corporation, Banking and Business Law Real Estate Chairman, 1979-1980

Maricopa County and American Bar Associations State Bar of Arizona Member, Governing Council, Real Property Section, 1990-1993.