Clair L. Penner, J.D., CPA & L.L.M. (Taxation) - Iowa & Illinois Law Firm | Nepple Law, PLC

Clair L. Penner, J.D., CPA & L.L.M. (Taxation)


Clair L. Penner is an experienced tax attorney in many areas of taxation including corporate and individual taxation, business planning, tax audits and appeals.  He also practices in estate planning, business entities, trust and estate administration, nonprofits and charitable trusts.

Clair is a member of the American Bar Association’s Real Property, Trust and Estate Law; Senior Lawyers (Elder Law) Division; and Taxation and General Practice Sections. He is a member on the Illinois Bar Association’s Federal Taxation Section Council. He is admitted to practice in Illinois and Iowa and before the U.S. Tax Court. He is also a member of the Chicago, Rock Island County, Scott County and Muscatine County Bar Associations.

Clair is a CPA having acquired his CPA license in 1980 while at Arthur Andersen where he attained manager level and worked one year in the London office. He is a member of the American Institute of CPAs (Taxation Section), the Illinois CPA Society and the Iowa Society of CPAs.

Clair has had extensive experience in corporate and international taxation, business planning, tax audits and compliance and tax accounting from his years with Arthur Andersen (7); Sara Lee Corporation (2); Brunswick Corporation (9) and Kraft Foods International (14).  He was a member of Tax Executives Institute (1987-2011) and served as an officer in local TEI Chapters in Chicago and Connecticut during those years and as a member of the TEI International Tax committee at the national level for ten years.
Clair received his undergraduate degree (B.A. with Honors in Sociology) from the University of California, Berkeley in 1969, his law degree and accounting from Drake University in 1978, and his Master of Laws in Taxation from Chicago-Kent College of Law, Illinois Institute of Technology in 1995. 

Currently, Clair is the Communications Chair and Vice President of the Muscatine Kiwanis Club and a member of the Quad Cities Estate Planning Council, and participates in a number of the local civic and business activities sponsored by the Greater Muscatine Chamber of Commerce and Industry. He also serves as treasurer of the Muscatine County Bar Association and the Great River Tennis Association.


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