American Bar Association Member, Intellectual Property Law Section.

Milwaukee Vice President, 1990-1991 President Elect, 1991-1992 President, 1992-1993 Co-Chairman, Environmental Law Section, 1988-1989, American Member, Natural Resources Section and Federal Energy Bar Associations State Bar of Wisconsin Chairman,

Denver and Colorado Bar Associations Insurance Defense Bar Colorado Defense Lawyers Association The Defense Research Institute.

Broward County and Dade County Bar Associations The Florida Bar Dade County Defense Bar Association Florida Defense Lawyers Association Defense Research Institute.

Chicago Bar Association.

San Antonio and American Bar Associations State Bar of Texas Commercial Law League of America Texas Society of Certified Public Accountants.