Attorneys
The law firm of Clark, Butler, Walsh & Hamann was established in 1928 in Waterloo, Iowa. Since our founding, we have provided a broad range of legal services to individuals and business clients throughout Black Hawk County, Northeast Iowa, and the major metropolitan areas of Iowa. We represent clients at every level of the Iowa state and federal court system.
Our Attorneys
At Clark, Butler, Walsh & Hamann our attorneys are the best in the business. Dedicated, experienced, and results-driven, they provide unparalleled legal expertise to meet your needs.

Timothy W. Hamann
Partner
Admitted to Bar:
1981, Iowa;
1997, Minnesota.
Practice Areas: Insurance Defense Law; Personal Injury; Products Liability Law; Worker’s Compensation Law.

Christy R. Liss
Partner
Admitted to Bar: 1992, Iowa.
Practice Areas: Family Law; Insurance Defense; Juvenile Law.

Jared R. Knapp
Partner
Admitted to Bar: 2001, Iowa
Practice Areas: Criminal Defense; Insurance Defense.

Christopher S. Wendland
Of Counsel
Admitted to Bar:
1995, Iowa. U.S. District Courts for Northern District of Iowa and Southern District of Iowa.
Practice Areas: Business Law; Commercial Law; Real Estate Law; Wills and Probate; Estate Planning; Municipal Law.

Mark E. Seda
Partner
Admitted to Bar: 2015, Iowa
Practice Areas: Insurance Defense, Personal Injury, Criminal Defense
Why Choose Clark, Butler, Walsh & Hamann?
With over 90 years of experience, our firm stands out for its dedication to personalized service, proven expertise across multiple practice areas, and a commitment to delivering results. Whether you’re facing personal legal challenges or complex business disputes, our team is here to guide you every step of the way.
Discover the difference with our expert legal team