(316) 262-2671

Robert I. Guenthner

Mr. Guenthner’s years of experience in business law and estate planning enable him to provide practical and innovative solutions to the most complex challenges.

Business Formation, Sales, Mergers & Acquisitions

Through the years, Bob has worked with clients through numerous business formations, sales, acquisitions and mergers. His extensive experience in banking includes representing buyers and sellers, the formation of holding companies and representation of clients before state and federal regulatory agencies.

Serving as a director of several banks has given Bob firsthand insight and understanding of how banks look at businesses and loan applications.

Estates, Wills & Trusts

Bob brings years of experience to the table in planning and administering both small and large, complex estates and trusts.
His services include business and personal tax planning; estate planning; preparation of both simple and complex wills and trusts; and administration of large and complex estates and trusts involving agriculture, oil and gas, taxation, business, and banking law.

Bob has served as an expert witness on matters involving estate planning, as well as matters involving lawyers’ ethics.
Martindale-Hubbell Law Directory has rated Bob at the highest AV®* rating for lawyers. He was honored by the Kansas Bar Association as the recipient of its Professionalism Award and by the Kansas Supreme Court as the recipient of its Justice Award.

A founding member and past president of Episcopal Social Services, Bob is dedicated to serving his community. He serves at his church, and can be found reading to local elementary school students as part of the “Reading is Fundamental” program. In his spare time, Bob enjoys travel (he travelled around the world twice by the time he was 20 years old). He also has a rather unique hobby: collecting and restoring antique carousel animals!

  • University of Kansas, B.A., 1964
  • University of Kansas, J.D., 1967
  • Kansas Bar, 1967
Professional Background:
  • Fellow of the American College of Trust and Estate Counsel
  • Past president of the Wichita Estate Planning Council
  • Former member/vice-chairman of the Kansas Board of Discipline for Attorneys
  • Former director/vice-chairman of the Kansas Development Finance Authority
  • Former chairman of the Kansas Bar Association Ethics Committee
  • Phi Beta Kappa
Civic/Community Involvement:
  • Founding member and past president of Episcopal Social Services – Venture House
  • Past president and former trustee of Wichita–Sedgwick County Historical Museum
  • Vestry member and former Senior Warden of St. John’s Episcopal Church
  • “Reading is Fundamental” reader at elementary schools
  • Martindale-Hubbell Law Directory AV®* rating
  • Recipient of the Kansas Supreme Court Justice Award
  • Kansas Bar Association Professionalism Award
  • Peer rated as one of the Best Lawyers in America in the areas of estates and trusts
  • Peer rated as a Super Lawyer in the states of Kansas and Missouri in the areas of estates and trusts, 2005-2012, 2014-2015
  • Chapter author, Kansas Bar Association’s Estate Administration Handbook
  • Lecturer on programs involving tax, estate planning, and probate issues for both the Wichita and Kansas Bar Associations


*CV, BV and AV are all registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.