Managing Partner
Charles A. “Chuck” Nelson is the third generation of Nelsons at Nelson & Nelson, CPA’s. He is an alumnus of the University of South Dakota, where he received his Bachelor of Science Degree in Business Administration, with a major in accounting in 1983. He has been a partner in the firm since 1984 and became a Certified Public Accountant in 1985.
Chuck was a traditional guardsman in the South Dakota Air National Guard and retired in 1995. He has been very active in the Sioux Falls Airshow, Air Force Association, Lions Club, and Gloria Dei Lutheran Church, as well as numerous other organizations in our community over the years. Currently, Chuck serves as the Vice-Chairman for Sioux Falls Airshow, Inc. and Vice-Chairman for the Sioux Falls YMCA and serves on the Sioux Falls Military Task Force Committee.
Chuck has also taught the SDSU Tax Update Seminar for tax professionals throughout the state of South Dakota since 2009.
In his spare time, Chuck enjoys spending time with his wife and three daughters, hunting, and fishing.
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Senior Partner
Wesley Nelson is a native of Sioux Falls and graduated from Washington High School in 1951. He went on to earn his accounting degree at the University of South Dakota. Upon graduating in 1955, Wes was commissioned into the Army. He married the love of his life, Gail, before leaving with the Army. He spent two years in the Army, with 16 months of that time in Korea. While there, Wes was the Regimental Post Exchange Officer, was in charge of the Officer’s Club, and was the Regimental Personnel Officer. The Army provided Wes with the experience to form the standards he still lives by today. He left the Army as a Lieutenant in 1957, and transferred to the South Dakota Air National Guard, where he was active for the next ten years. Also, in 1957, Wes came to work with his father at James C. Nelson Public Accounting and Income Tax. Along with public accounting, Wes has also been very active in the Lion's Club and the YMCA. Wes’ favorite hobby is hunting, but fishing is a close second. His love of hunting makes wildlife conservation a subject that is close to his heart. He feels it is his duty to put back into the earth what he has taken, so he supports the establishment of tree belts and winter cover for wildlife.

CPA
Jillian Nelson is the fourth generation of Nelsons to work at Nelson & Nelson, CPA’s. She began work shortly after acquiring her Bachelor’s Degree in Accounting from the University of South Dakota in 2013. Jillian prepares payroll, quarterly reports, and individual and business tax returns. She completed her Master's in Business Administration at the University of Sioux Falls in February of 2015 and earned her Certified Public Accountant license in 2018. Jill has also taught the SDSU Tax Update Seminar for Tax Professionals throughout the state of South Dakota since 2015.
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CPA of Counsel
Doug Uthe, a Chester, South Dakota native, began his career in 1961 as an Internal Revenue Agent. He worked at the IRS for 27 years before opening his own CPA firm in 1998. Doug Uthe, CPA merged with Nelson & Nelson, CPA’s in 2007. Doug specializes in matters of Federal Income Tax. He has been a discussion leader for the annual tax update (now conducted by SDSU) for 47 years. Doug was in the Air Force for four years and fought in the Korean War before earning his Bachelor’s Degree from Augustana College in 1960. He earned his Certified Public Accountant accreditation in 1971. Doug prides himself on his family. He has three children and seven grandchildren.
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CPA
Joanne Belbas has worked in the field of accounting since 1989, and she has been with Nelson & Nelson, CPA's since 2012. Joanne specializes in the preparation of business tax returns. She is a licensed Certified Public Accountant in the state of South Dakota.
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CPA
Lisa Fligge joined Nelson & Nelson, CPA's seasonally in 2012. She specializes in the preparation of personal tax returns.
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CPA
Michael Billion began working in the public accounting field in 1976 after earning his Juris Doctor and Masters of Business Administration from the University of South Dakota. He became a Certified Public Accountant shortly thereafter, in 1977. Since 1990, he has practiced tax law in the state of South Dakota. Michael also wrote a weekly column for the Argus Leader in response to income and estate tax questions for 10 years, from 1990-2000. Michael joined Nelson & Nelson, CPA’s on a full-time basis in 2014.
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CPA
Robert “Bob” Bork has been an accountant with Nelson & Nelson, CPA's since 1999. He specializes in individual and business tax preparation and planning and general accounting. Bob holds a Bachelor’s of Science degree from South Dakota State University, and an accounting major at Colorado Technical University.
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CPA
Susan Thie came to Nelson & Nelson in December 2018. She started her career working in the business with her father, Kermit Black, and had her own accounting firm in Mitchell SD. She later was a sales/use/excise tax auditor for the State of South Dakota followed by fourteen years in higher education. Her emphasis is on financial reporting, accounting and payroll services, and QuickBooks support. She specializes in individual income tax preparation for retired and self-employed individuals, including farmers. Susan earned her Bachelor’s Degree from Augustana College in 1985 and her CPA license in 1998.
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CPA
Tamara Stern began her accounting career in 1985 and joined Nelson & Nelson CPA's in February of 2009. She specializes in estate and trust tax return preparation and in business valuations. Tamara also processes payroll, prepares monthly financial statements, and prepares all types of tax returns. She is an alumna of the University of South Dakota and is licensed as a CPA in both South Dakota and Arizona.
Tax Professional
Scott Baumann started working in public accounting in 2009 after graduating from North Dakota State University with a Bachelors of Accountancy degree. He joined Nelson & Nelson CPA's in 2018. He prepares monthly financial statements, processes payroll and prepares individual and business tax returns with a focus on farmers.
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Enrolled Agent & QuickBooks ProAdvisor
Diane Jewett has been at Nelson & Nelson, CPA’s since 1990. She is an Enrolled Agent with the Internal Revenue Service and a QuickBooks ProAdvisor. Diane specializes in tax preparation for individuals, S-Corporations, Corporations, and Partnerships, as well as QuickBooks services. She holds her Bachelor’s of Science in Accounting and Computer Programming from the National College of Business. Diane has also helped with the local tax seminar circuit for the past three years.
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Tax Professional
Angel Heisel joined Nelson & Nelson, CPA's in tax season of 2002. She specializes in payroll, monthly bookkeeping and accounting services, and individual tax preparation. Angel studied accounting and business at Augustana College.
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Tax Professional
Ashlee Peterson began working at Nelson & Nelson, CPA's in 2010, and became full-time in 2012. She provides payroll and tax preparation services and is also a receptionist. Ashlee holds her Associate Degree in Business Administration from Southeast Technical Institute and her Bachelor’s Degree from the University of Sioux Falls.
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Tax Professional
Carol Edblom has been at Nelson & Nelson, CPA’s since 2006. She is the office’s payroll specialist. Carol also focuses her time on tax preparation, monthly accounting, and bookkeeping.
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Tax Professional
Cindy Johnson has been preparing personal tax returns and payroll at Nelson & Nelson, CPA's since 2001. Cindy holds her Associate Degree in Accounting from National University and has previous experience working in accounts receivable, advertising, customer service, and international credit. She is specialist in preparing tax returns for US tax payers who live outside the US.
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Tax Professional
David Erickson has worked seasonally at Nelson & Nelson, CPA's since 2011. He prepares personal tax returns. David specializes in working with clients who are farmers or members of the clergy.
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Tax Professional
Marilyn Amen has worked as a staff accountant since 1987 compiling monthly and yearly accounting reports and preparing payroll and payroll reports . She joined Nelson & Nelson CPA’s in November 2019.
In her spare time, Marilyn enjoys spending time at the lake, playing golf, and enjoying time with family & friends

Tax Professional
Patricia has been in the accounting field for many years. She joined Nelson & Nelson CPAs in 2018. She holds an Enrolled Agent license (retired) and works with financial reporting and tax preparation. She is an alumni of Minnesota State University - Moorhead and Willmar Vocational Technical Institute.
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Tax Professional & QuickBooks ProAdvisor
Kris Infield is a Tax Professional and QuickBooks ProAdvisor. She has worked with Nelson & Nelson, CPA’s since 2006. She specializes in working with tax-exempt organizations. Kris was previously a Revenue Agent with the Internal Revenue Service in the Tax-Exempt Organizations Division, where she audited form 990’s to ensure organizations were following all regulations. Kris holds a Bachelor’s of Business Administration degree from the University of Wisconsin-Whitewater.
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Tax Professional
Lori Hein has been working in tax preparation since 1997, starting on a military base, while her husband was on active duty. She has been with Nelson & Nelson, CPA’s since 2010. Lori holds her Bachelor’s of Arts in Business/Economics & Computer Science from the University of Minnesota-Morris.
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Office Assistant
Odena Koth is Nelson & Nelson's Office Assistant and Receptionist. She manages the front desk and specializes in accounts receivable. Odena has been at Nelson & Nelson, CPA’s since 2008.
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Tax Professional
Victor M. Chairez has been with Nelson & Nelson, CPA's since 2010. He specializes in bookkeeping, payroll, business services, and preparation of personal and business tax returns. Victor holds his Bachelor’s of Arts in business and accounting from the University of Sioux Falls and his Master’s of Business Administration degree from Colorado Technical University. Victor is bilingual in Spanish and English.
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Tax Professional
Jessica has been with Nelson & Nelson CPA’s since 2010. She specializes in bookkeeping, payroll, business services, and preparation of personal tax returns. Jessica has her Associates Degree in Accounting from Southeast Technical Institute and has been working in accounting since 1998.

Tax Professional
Katherine Salazar joined Nelson & Nelson CPA’s LLP in December of 2018. She does bookkeeping, monthly accounting, and tax preparation. She graduated from STI in May 2019 with a associates degree in accounting. Her plan is to attend USF and eventually sit her CPA. Katherine is also bilingual and works with some of our Spanish speaking clients.
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Tax Professional
Sonja Hoffmann joined Nelson & Nelson CPA's in 2015 as a seasonal tax professional, preparing individual tax returns. She earned her Master of Business 1992 in Germany and has been self employed since 2002.
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Enrolled Agent
Jim is a Sioux Falls native graduating from the University of South Dakota with his degree in Business in 2010. During his time at USD, Jim was the team captain of the golf team and was an all-conference player multiple years. Jim has experience in both public and private accounting but prefers the fast pace of the tax practice. He specializes in helping his clients minimize their tax positions through extensive tax planning and wealth management.
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Tax Professional
Elizabeth joined the team in January 2020. She graduated in December 2019 from STI with a dual associate degree in Accounting and Business Administration. She supports our administrative staff and helps with accounting, payroll and tax returns. Elizabeth got married in June of 2019. In her free time she loves to be with family, watch New Amsterdam, and play with her two cats.
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