Nebraska State, Iowa State and American Bar Associations.

Polk County, Iowa State and American Member, Real Estate Section Bar Associations.

Polk County, Iowa State Member, Business Section For Profit Corporation Committee Member and American Member, Sections on Business Law Tax Law Bar Associations.

Polk County and Iowa State Bar Associations American Trial Lawyers Association Iowa Trial Lawyers Association Greater Des Moines Leadership Institute.

Johnson County and Iowa State Member, Young Lawyers Division Executive Council Bar Associations Iowa Association of Trial Lawyers Iowa Defense Counsel Association.

Dubuque County and Iowa State Bar Associations State Bar of Wisconsin.

Polk County, Iowa State and American Bar Associations.

Polk County, Iowa State, Nebraska State and American Bar Associations.

Iowa State Chairman, Practice Group Subcommittee of the Bankruptcy and Commercial Law Section Member, Committees on Bankruptcy and Commercial Law Agricultural Law Summer Seminar and Annual Meeting and American Member, Commercial Law and Finance Co

Polk County, Iowa State and American Bar Associations Iowa Defense Counsel Association Board of Editors, Defense Update, 1990—.