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about the firm

Hansen, McClintock & Riley is a full service boutique trial firm that has been offering state wide representation in the federal, state and appellate courts and administrative agencies since 1939.

The lawyers who represent the firm all have a variety of specific background qualifications, professional reputations and abilities which set them apart from their peers within this state and this part of the country. When joined together, we feel we have the finest trial law firm in Iowa.

CHESTER C. WOODBURN, III joined the firm in 1977. Prior to joining the firm, Mr. Woodburn worked in the Polk County Attorney’s Office. He has been involved in a wide variety of liability cases throughout the state consisting of professional negligence, general liability, subrogation, commercial torts, and mediation & arbitration. He has been recognized for his abilities by being elected to fellowship in the American College of Trial Lawyers, the Iowa Academy of Trial Lawyers and the American Board of Trial Advocates. Mr. Woodburn also has had specialized training in mediations and arbitrations and is contacted by attorneys throughout the state to assist in valuing cases and resolving them.
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WILLIAM D. SCHERLE joined the firm in 1978. Prior to joining the firm, Mr. Scherle served as an Assistant Attorney General and an Assistant United States Attorney for the Southern District of Iowa. He has primarily been engaged in administrative practice with specific emphasis on workers’ compensation. He has a national reputation in this area and has held several leadership roles in this area of the law in our state. He is a past president of the Polk County Bar Association and the Iowa State Bar Association. He has also served as past-president of the Iowa Association of Workers' Compensation Lawyers. He has been recognized through the Iowa State Bar Association and awarded the Award of Merit in 2011, its highest honor.
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DAVID L. BROWN joined the firm in 1978. Prior to joining the firm, Mr. Brown worked as an Assistant Attorney General and a Law Clerk for then Iowa Supreme Court Chief Justice, C. Edwin Moore. He practices primarily in the areas of professional negligence, commercial tort and general liability. He also has a state wide reputation in administrative practice and appellate law. He has been elected to fellowship in the American College of Trial Lawyer, the International Academy of Trial Lawyers, the International Society of Barristers, the American Board of Trial Advocates and the Iowa Academy of Trial Lawyers. He is the past president and current secretary-treasurer of the Iowa Academy of Trial Lawyers. Mr. Brown received the Award of Merit from the Iowa Bar Association in 1999 and recognized as the “Dean” of that organization in 2007. He received the Alumni of the Year award from Drake University Law School in 2004, the “Keeper of the Flame” Award from the Iowa State Bar Association in 2014; and the “Outstanding Advocate” Award from the American Board of Trial Advocates – Iowa Chapter in 2015. He has been a member of the C. Edwin Moore American Inn of Court since its creation in 1990.

Mr. Brown held a three year appointment (2010-2013) as the Eighth Circuit Representative to the ABA Standing Committee on the Federal Judiciary. The 15-member Committee evaluates all nominations of Article III judges to the federal district courts, circuit courts of appeals and the United States Supreme Court, as well as various territorial district courts. He continues to do evaluations of individuals considered for judicial vacancies in federal circuits throughout the United States.
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JOHN E. SWANSON joined the firm in 1982. Mr. Swanson had an outstanding academic career in undergraduate and law school. He has practiced in general liability and in recent years has been primarily engaged in the defense of complex workers compensation cases throughout the state of Iowa. In addition, he has considerable experience in real estate, property and probate matters.
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AARON T. OLIVER joined the firm in 1997. Prior to joining the firm, Mr. Oliver had a one year clerkship for the Iowa Supreme Court to Justice James H. Andreasen. Mr. Oliver also served as a law clerk for the Iowa Academy of Trial Lawyers. He has an extensive state wide workers’ compensation practice. He is also an outstanding appellate lawyer. He is the current Chair of the Iowa State Bar Association Appellate Practice Committee. He has been recognized by his peers as an outstanding lawyer and is a past president of the Iowa State Bar Association Young Lawyers Division.
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ALEXANDER E. WONIO joined the firm in 2004. Since then Mr. Wonio has had trial experience in jury and non-jury cases. His experience includes general liability, professional negligence and commercial torts. Mr. Wonio has also successfully argued several appeals in the state appellate courts. He is a Fellow of the Iowa Academy of Trial Lawyers and the Iowa Chapter of the American Board of Trial Advocates.
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TYLER R. SMITH comes to us as a 2016 honors graduate of Drake University Law School. He was admitted to practice in September 2016 after passing the Iowa Bar Examination. Tyler excels in administrative law and has assisted in drafting numerous appellate briefs while he has worked for the firm as a Law Clerk while finishing his law school education.
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Each of the lawyers at Hansen, McClintock & Riley is outstanding in his own right. The combination of these persons in one firm who share their experience and work together on many files is of great value to our clients. The extensive contacts the firm has with members of the bench, bar and the public at large has been of great benefit to our clients. Additionally, our support staff of legal assistants and paralegals is a group of highly intelligent, experienced and talented individuals. They have worked with the lawyers and with each other for several years and provide great value to the firm and to the clients we represent.