FULL-TIME STAFF

Kelly Ahrenstorff - Office Assistant

Kelly has worked for TDKM since 1989.  She has an accounting diploma from Granite Falls and a secretarial/computer diploma from Minnesota West.  She is responsible for electronic filing, financial statement and form typing and assisting clients.  Her interests and hobbies include waterskiing, scrap-booking, fishing, and spending time with her husband and children Kiera, Taylor and Talia.  Contact Kelly at kkahrenstorff@tdkcpa.net.

 

Nathan Beyer - Staff Accountant

Nathan is a graduate of South Dakota State University with a degree in Business Economics and a minor in Accounting.  He joined TDKM in 2006.  He and his wife Jennifer live in Sibley and are active in their church.  Nathan enjoys hunting, fishing and spending time with family.  Email Nathan at nbeyer@tdkcpa.net

Crystal Groen - Office Assistant

Crystal is a graduate of Rasmussen Business College in Mankato with a degree in Business Management.  She joined TDKM in 2006 and enjoys spending time with her husband Brent and family, going to sporting events, traveling and fishing.  Contact Crystal at cgroen@tdkpca.net

Dea Klumper - Paraprofessional

Dea has over 25 years of accounting experience and has been with TDKM since 1985.  She focuses on financial statement preparation, payroll, sales tax, farm bookkeeping and Quickbooks assistance. She and her husband Wayne have three children, Tresse, Daniel and Joseph.  Dea enjoys spending time with her family, playing the flute, running and exercise, sewing, cooking and helping raise sheep on the farm.  Email Dea at daklumper@tdkcpa.net
 

Vickie L. Kuipers, EA, RAP

Vickie has over 20 years of tax preparation and farm accounting experience.  She joined TDKM in 2006.  She and her husband, Marvin, live in Reading.  In her spare time she enjoys time with family, fishing, and traveling.  Contact Vickie at vkuipers@tdkcpa.net

Nancy Myrom - Firm Administrator

Nancy is a graduate of  Moorhead State University with a B.S. degree in Administration-Management.  She joined TDKM in 1990 and is responsible for office administration and wealthcare support.  E-mail Nancy at namyrom@tdkcpa.net


 

 Dona Onken - Paraprofessional

Dona has worked for TDKM since 1996 and does bookkeeping, payroll and financial statement preparation for a wide variety of clients.  She has a two-year accounting degree from Minnesota West Community College.  She and her husband farm east of Worthington and they have three sons and one grandchild.  She is active in her church and 4-H and enjoys gardening, counted cross stitch, sewing and spending time with her family.  Contact Dona at dronken@tdkcpa.net

 

Raquel Strouth - Staff Accountant

Raquel joined TDKM in 2008 and works in auditing, accounting, and tax preparation services for our clients.  Raquel is a graduate of the University of Nueva Caceres in Naga City, Philippines.  She and her husband live in Ashton, IA.

PART-TIME STAFF

Galen Gordon – Tax Preparer

Galen has over 25 years of tax return preparation experience and rejoined us at the TDKM Tax Service office in 1999. During the rest of the year, Galen farms northwest of Worthington. Galen and his wife, Colleen, are active in various community activities and enjoy spending time with their children and grandchildren.  Contact Galen at gggordon@tdkcpa.net during tax season.

Karen Gunnink – Office Assistant

Karen is a graduate of Southwestern Technical College in Pipestone with a Receptionist/Clerk Typist diploma. She provides our administrative support as well as Eldercare assistance in the Luverne, Minnesota office. Karen and her husband, Bernie, live in Hardwick.  Contact Karen at kkgunnink@tdkcpa.net



 

Amy Langseth - Office Assistant

Contact Amy during tax season at aelangseth@tkcpa.net   

Chad A. Mammen, CPA

Chad is a graduate of Mankato State University with B.S. degrees in Accounting and Computer Science. He prepares tax returns on a limited, seasonal basis at our downtown Worthington office and is employed as the Accounting Manager for Bedford Industries, Inc.  Chad loves to golf and bowl.  Email Chad during tax season at camammen@tdkcpa.net.

Tom Martin - Tax Preparer

Contact Tom during tax season at tpmartin@tdkcpa.net

Marilyn B. McDowell, CPA

Marilyn is a graduate of Iowa State University in Accounting and Computer Science and has worked in both corporate industry  and public accounting.  She has been with TDKM since 2000 and works in accounting, taxation and computer consulting.  She is married with two children and enjoys spending time with her family, playing bridge, golf and bicycling.  Contact Marilyn at mbmcdowell@tdkcpa.net
 

Cindy Penning, CPA

Cindy is a graduate of Winona State University with a Paralegal degree and Mankato State University with an accounting degree. She joined TDKM in 1996 and focuses on tax, auditing, eldercare and in-house continuing education presentation. Cindy’s flexible schedule allows her to spend time with her husband and three children on their farm near Wilmont as well as volunteering in many community and church activities.  Email Cindy at cmpenning@tdkcpa.net
 

Rita Turbes - Office Assistant

Rita has provided administrative support during tax season in our downtown Worthington office since 1989.  Her flexible schedule allows her to spend time with her family and enjoy many cultural activities in the area.

Turbes Drealan Kvilhaug Mammen & Co., P.A.
tdkcpa@tdkcpa.net
909 Fourth Avenue, Worthington, MN 56187  507-376-4151  Fax: 507-376-4154
114 W. Main Street, Luverne, MN 56156  507-283-2116  Fax: 507-283-2117