Jonathan Guenthner, CPA


Jonathan Guenthner

As a Partner, Jonathan manages the agri-business department in all offices of ELO.  He is also the partner in charge of the Chamberlain Office  He provides tax and technical services for individuals, S-corporations, partnerships and other entities, primarily in the agricultural field to ELO clients.  He also provides consultation for clients in estate and succession planning.


  • B.S., Business Administration, Accounting – University of South Dakota, Vermillion, SD
  • M.P.A., Professional Accountancy – University of South Dakota, Vermillion, SD

Certifications and Licensures

  • Certified Public Accountant (CPA)


  • Agri-Business Taxation & Consultation
  • Estate & Succession Planning
  • Not -for-Profit Taxation
  • Trust & Estate Taxation
  • Individual Taxation
  • Entity Taxation

Industry Expertise

  • Agri-Business Taxation & Consultation
  • Agri-Business Estate & Succession Planning
  • Not-for-Profit Taxation

Associations & Community Involvement

  • South Dakota Certified Public Accountants (SDCPA), Advocacy Committee
  • American Institute of Certified Public Accountants (AICPA)
  • Mitchell Technical Institute, Farm Ranch Management Advisory Board
  • Mitchell Area Chamber of Commerce, Member Services Committee
  • Mitchell Area Safehouse, Inc, Past President
  • Mitchell Skating & Hockey Association, Programs Committee
  • Junior Achievement volunteer