Linn County, Iowa State Council Member, Section on Taxation, 1982-1992 and American Bar Associations American Association of Attorney-Certified Public Accountants Iowa Society of Certified Public Accountants

Linn County, Iowa State Member Commercial and Bankruptcy Law Section Council, 1994-1996 and 1999-2001 Professionalism Committee, 1994-1996 and 1998-2002 Commission on Unauthorized Practice of Law, 1999-2002 and American Bar Associations.

Linn County, Iowa State and American Bar Associations State Bar of Texas.

Linn County Member, Linn County Title Standards Committee, 1981—, Iowa State Member, Iowa State Title Standards Committee, 1987-1990, 1998-2001 Member, Sections on Business Law Probate and Trust Law Real Estate and Title Law and American Member,

Linn County Member, Board of Governors, 1999-2001, Iowa State Member, Young Lawyers Division Executive Council, 1995-1997 Subcommittee on Securities Regulation, Illinois State and American Member, Sections on Litigation, Subcommittee on Securities

Linn County, Iowa State and American Bar Associations State Bar of California Dean Mason Ladd American Inn of Court.

Linn County Chairman Fee Arbitration Committee, 1988-1992 Chairman, Ethics and Grievance Committee, 1992-1998 Member, Board of Governors, 1996-2001 President, 1999-2000, Iowa State Member Litigation Section Board of Governors, 2000— and American

Polk County, Iowa State and American Bar Associations The Missouri Bar Defense Research Institute Iowa Trial Lawyers Association Iowa Defense Counsel Association National Association of Railroad Trial Counsel.

Polk County Member, Board of Directors, 2002—, Iowa State and American Bar Associations The District of Columbia Bar Iowa Trial Lawyers Association.