Meet Our Staff

  • Forest City Staff

    Location(s): Forest City,

    Chad Anderson, Deena Lewison, Lori Rauk, David Arndt, CPA, Gustave Byom, CPA, Doug Bruhns, CPA, David Iverson, CPA, Lorraine Thisius

  • Belmond Staff

    Location(s): Belmond,

    Cathy Willms, Betty Nash, CPA, Carmen Johnson, Danny Johnson, CPA

  • Garner Staff

    Location(s): Garner,

    Chad Anderson, Gustave Byom, CPA, Ray Waddingham, CPA

  • Titonka Staff

    Location(s): Titonka,

    Doug Bruhns, CPA, Adam Helm, David Iverson, CPA

  • David K. Arndt, CPA

    Location(s): Forest City,

    David has been a certified public accountant since 1984.  He began his career in Minneapolis, MN where he became the manager of a regional certified public accounting firm.  He moved to Forest City in 1992 and he acquired the CPA firm in 1994 and incorporated the firm under the name D.K. Arndt, P.C. in 1996.  He is the managing shareholder of D.K. Arndt, P.C.  His strong sense of commitment to client services is the driving force behind the success of D.K. Arndt, P.C. and its clients. During 2014 he worked with a group of investors to bring a major country music festival to Forest City on Memorial Day Weekend. The festival has featured country music stars such as Blake Shelton, Brad Paisley, Dierks Bentley, Miranda Lambert to name just a few. David volunteers his services to several local organizations and causes. He is the treasurer of Forest City Education Foundation, the local movie theatre, and several other local charities. He is a board member of the Forest City Economic Development, and local Rotary International Club where he was a past president. In 2016 he received the John K. and Louise V. Hanson Lifetime Achievement Award for his years of service to the community.

  • Gustave R. Byom, CPA

    Location(s): Forest City, Garner,

    Gus joined D.K. Arndt P.C. in 1999, and passed his CPA exam in February 2000. Gus works with a number of individual as well as corporate clients. In January 2004, he became a minority shareholder in the company. Gus has served on several boards of non-profit organizations and donates his time to the community of Garner. Gus lives in Garner with his wife Keri and has three children. Clay is a Sophomore at North Iowa Area Community College, Kailyn and Camren both attend Garner Hayfield Ventura Community School District. In his free time, Gus enjoys golf and camping with his family.

  • Douglas G. Bruhns, CPA

    Location(s): Forest City, Titonka,

    Doug joined D.K. Arndt, P.C. in November 2006. Prior to becoming a staff member with the company, Doug owned and operated Midwest Tax and Accounting in Lake Mills. Doug also possesses many years of accounting experience in private industry. Doug has two grown sons and lives in Lake Mills with his wife Shannon.

  • Deena Lewison

    Location(s): Forest City,

    Deena has worked for D.K. Arndt, P.C. since 1998. She is responsible for client bookkeeping and payroll processing services. Deena lives in Forest City with her husband Jeff.  They have 3 children.  Zach lives in Wyoming and is a youth pastor.  Alec is in the Air Force and lives in Florida with his wife Nicole.   Molly is a junior at Buena Vista University in Storm Lake, IA.  Deena  & Jeff enjoy traveling and spending time with their children.  

  • Lori Rauk

    Location(s): Forest City,

    Lori has been with D.K. Arndt, P.C. since 1998. She is responsible for client bookkeeping and payroll processing services.  Lori lives on an acreage outside of Forest City with her husband Jeff.  She enjoys spending her time with their children: Mathew and Danialle, Alexandra and Bo, and granddaughter Kaylee. Her hobbies include her farm animals, gardening, reading and trash to treasure redo’s.      

  • Chad Anderson

    Location(s): Forest City, Garner,

    Chad joined D.K. Arndt, P.C. in October 2009.  Prior to joining the staff at D.K. Arndt, P.C. he worked for the City of Forest City.  Chad enjoys sports and attending his children’s activities.  Chad lives in Forest City with his wife Stacy and their children Tyler, Hannah and Emma.

  • Lorraine Thisius

    Title: Staff Accountant

    Location(s): Forest City,

    Lorraine is a 2017 graduate of Winona State University where her interest in small business success inspired her to seek a degree in accounting and finance.  After graduation, she moved back to her hometown of Wells Minnesota and lives on an acreage just outside of town.  In her free time, Lorraine enjoys fixing up her farmhouse, gardening, spending time with her dogs and studying for the CPA exam!

  • Ray Waddingham, CPA

    Location(s): Garner,

    Ray has been working in the field of public accounting for the past twenty-nine years with a primary emphasis in individual and business income taxes, and small business accounting. He joined DK Arndt, PC in 2005.

  • Dave Iverson, CPA

    Location(s): Forest City, Greene, Titonka,

    Dave has been a CPA since 1982, and been involved with financial services since 1989. Dave is a shareholder of the firm and is the manager of the Lake Mills and Greene offices. Dave specializes primarily in business tax consulting. Dave lives in Greene with his wife Molly.

  • Danny L. Johnson, CPA

    Location(s): Belmond,

    Dan joined DK Arndt, PC in January 2010, by merging his practice of 20 years with the DK Arndt firm. He has been a CPA serving the Belmond area for over 35 years. Dan specializes in individual & corporate tax return preparation; but also provides payroll processing & general accounting services. Dan has served on the local Theatre board for 18 years; in addition, he has been associated with the Belmond United way for 29 years. He lives in Belmond with his wife Carmen. They have three grown children and seven grandchildren.

  • Carmen Johnson

    Location(s): Belmond,

    Carmen has been associated with the Belmond office for over 35 years. She is responsible for individual & corporate tax return processing, and general clerical duties. She volunteers as treasurer for church, and is currently on the board of Sencar, Inc.  She and her husband, Dan, have three grown children and seven grandkids.

  • Cathy Willms

    Location(s): Belmond,

    Cathy has been associated with the Belmond office for over 15 years. She is responsible for client bookkeeping and payroll processing services. Cathy and her husband Vince have five grown children, eight grandkids, and live in Belmond.

  • Betty L. Nash, CPA

    Location(s): Belmond,

    Betty joined D.K. Arndt P.C. in October 2010 and passed her CPA exams by May 2011. She earned her B.A. in Accounting with highest honors from the American Institute of Business, Des Moines and also holds an Associate Degree in Computer Programming. Betty brings a vast amount of experience in employer taxes as well as business financial reporting to the firm. She is an active member of the Belmond community, financial advisor on the New Lyric Theatre Board, and is a lector in her parish. Some of her hobbies, in addition to family time, include biking, kayaking, and reading. She and her husband, Todd, have two sons (Derek and Jeremy) both of whom are Engineering Students at Iowa State University in Ames.

  • Adam Helm

    Location(s): Titonka,

    Adam Helm joined DK Arndt P.C. in 2012 when DK Arndt acquired TSB Bank's tax practice in Titonka.  Adam worked as a tax preparer for TSB since 2007 specializing in individual farm tax returns.  In 2006, Adam graduated with B.A. in Finance from Waldorf College.  Outside of tax season, Adam and his wife Trista farm in the Woden and Crystal Lake areas.  They have two daughters, Hailey and Reagyn.

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