FULL-TIME STAFF
Jenna Ahlers - Staff Accountant
Jenna is a 2009 graduate of the University of Sioux Falls with a bachelor’s degree in Business Administration with an emphasis in Accounting. She joined TDKM in September 2009. Jenna and her husband Mike live in Worthington. She enjoys being outdoors (especially in the summer), tropical vacations, shopping, and spending time with family. Contact Jenna at jahlers@tdkcpa.net
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@tdkcpa.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
Eric
R. Lucker, Staff Accountant
Eric is a graduate of Minnesota State University in Mankato with a B.S. in Accounting and minor’s in Business Law and Business Administration. He joined TDKM in 2009. He loves all sports, especially golf and basketball, and enjoys spending time with his friends and family. Email Eric at erlucker@tdkcpa.net.
Meredith A. Mammen,
CPA
Meredith is a graduate of the University of Minnesota - Duluth and has experience in both private industry accounting and
public accounting. She joined TDKM in 1997. Meredith's focus is on
financial statement preparation of audits, reviews, and compilations,
with emphasis on non-profit and governmental entities. Email Meredith at
mamammen@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
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@tdkcpa.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
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