Staff Information

Forest City: David K. Arndt | Gustave R. Byom | Douglas G. Bruhns | Deena Lewison | Lori Rauk | Chad Anderson
Garner: Ray Waddingham | Ramie Strand
Greene: David M. Iverson
Lake Mills: David M. Iverson
Belmond: Danny Johnson | Carmen Johnson | Cathy Willms | Betty Nash
Titonka: Adam Helm

David K. Arndt, CPA
Forest City Office


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 to work with a local CPA.  He acquired the practice 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. and is responsible for the quality of services provided.  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 Tree Town Music Festival starred Brad Paisley and Tobey Keith as the main attractions.


David volunteers his services to several 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. Dave serves as president of a local investment club.


David lives in Forest City with his wife Arlene. His daughter, Megan, is a registered nurse in the neonatal intensive care unit in Iowa and son, Tyler, is a landscape architect in California.




Gustave R. Byom, CPA
Forest City and Garner Offices


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 is on the board of the Garner Golf & Country Club, and is the Chair of the YMCA of Forest City's Endowment Committee, he also serves with other committees of non-profit organizations. Gus lives in Garner with his wife Keri, sons Clay and Camren and daughter Kailyn.

Douglas G. Bruhns, CPA
Forest City and Lake Mills Offices


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
Forest City Office


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, son Alec and daughter Molly, their son Zach goes to North Central University in Minneapolis, MN.

Lori Rauk
Forest City Office


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.  Their son Mathew works at Winnebago Industries and their daughter Alexandra attends college at Southern Illinois University in Carbondale, IL.



Chad Anderson
Forest City and Garner Offices


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. 


Ray Waddingham, CPA
Garner Office


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


Ramie Strand
Garner Office


Ramie joined DK Arndt PC in October 2012.  Her primary work responsibilities include client bookkeeping and payroll services.  She graduated in May 2010 from Georgia Southwestern State University in Americus Georgia with a Bachelor’s of Business Administration in Accounting.  She has worked in many aspects of accounting including bookkeeping, accounts payable, accounts receivable, payroll and sales tax.  It’s her goal to pursue a CPA license in the near future.    Ramie currently resides in Mason City with her daughter.


David M. Iverson, CPA
Lake Mills, Titonka & Greene Offices


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 in business tax consulting and retirement planning. Dave lives in Greene with his wife Molly.


Danny Johnson
Belmond Office


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 30 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 four grandchildren.


Carmen Johnson
Belmond Office


Carmen has been associated with the Belmond office for 30 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.


Cathy Willms
Belmond Office


Cathy has been associated with the Belmond office for about 10 years. She is responsible for client bookkeeping and payroll processing services. Cathy and her husband Vince have five grown children and live in Belmond.


Betty L. Nash, CPA
Belmond Office


Betty joined D.K. Arndt P.C. in October 2010 and passed her CPA exam in May 2011.  She earned her B.A. in Accounting with highest honors from the American Institute of Business, Des Moines and 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 and is a lecturer at her parish.  Some of her hobbies, in addition to family time, include biking, kayaking, and reading.  She and her husband, Todd, have two sons and live on an acreage south of Belmond.  Their son, Derek, is an Engineering Student at Iowa State University in Ames and their son, Jeremy, is a senior at Belmond-Klemme.


Adam Helm
Titonka Office


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.