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Our Team

Meet Our Staff:


Roger Biesterveld, CPA

Roger Biesterveld, CPA

Founding member of Biesterveld & Spies, LLC, Roger has nearly 45 years of accounting experience. He graduated from the University of Wisconsin-Eau Claire in May 1971 with a bachelor’s degree in business administration with a comprehensive accounting major. While a student at the university, Roger prepared taxes for three years. After graduation, he worked for a local accounting firm before starting his own practice in August 1977. Roger received his Certified Public Accountant (CPA) license in October 1974. He is licensed in Wisconsin and Texas.

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Roger is a longtime member of the

  • American Institute of Certified Public Accountants (AICPA) and is an AICPA tax section member
  • Wisconsin Institute of Certified Public Accountants (WICPA)
  • Texas Society of Certified Public Accountants (TSCPA)

Born and raised in Eau Claire, Wisconsin, Roger has served as a volunteer on numerous non-profit boards and committees. He and his wife Maryann have five children and nine grandchildren.


Jerry Spies, CPA

Jerry Spies CPA

Jerry graduated from the University of Wisconsin-Eau Claire in December 1988 with a bachelor’s degree in business administration with an emphasis in accounting. After seeing the world during his enlistment in the United States Army, Jerry returned to west-central Wisconsin. He interned at the firm before becoming a staff accountant and later, a member. Jerry received his Certified Public Accountant (CPA) license in June 1991.

Jerry is a member of the

  • American Institute of Certified Public Accountants (AICPA)
  • Wisconsin Institute of Certified Public Accountants (WICPA)

Jerry is an active volunteer in the community. He has served as treasurer for various non-profit organizations. He and his wife Shari have two children.


Pamela Lammers, CPA

Pamela Lammers, CPA

Pam graduated from the University of Wisconsin-Eau Claire in August 1998 with a bachelor’s degree in business administration with an emphasis in accounting. She began working at Biesterveld & Spies the same year and received her Certified Public Accountant (CPA) license in 2001.

Pam is a member of the

  • American Institute of Certified Public Accountants (AICPA)
  • Wisconsin Institute of Certified Public Accountants (WICPA)

A lifelong resident of Wisconsin and mother to two sons, Pam and her husband Duane reside in Chippewa Falls.


April Marion, Staff Accountant

April Marion

April graduated from the University of Wisconsin - Eau Claire in Dec. 2010 with a bachelor's degree in business administration with an emphasis in accounting. She started with Biesterveld & Spies in January 2011 as a staff accountant, and is currently working towards her Certified Public Accountant license.

April was born and raised on a family farm in Chippewa Falls, Wisconsin. She currently resides in rural Boyd with her husband Trevor and sons Hudson and Henry.


Abby Volbrecht, CPA

Abby Volbrecht, CPA

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Abby earned her Certified Public Accountant (CPA) license in 2008 and is a graduate of the University of Wisconsin - Eau Claire.  Abby and her husband are veterans of the United States Army.  After they completed their tours of duty with the Army they decided to move back to the Chippewa Valley to raise their two children.  Abby began working with Biesterveld & Spies in June of 2017. 

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Jeremiah Raine, Staff Accountant

jeremiah@biesterveld.comJeremiah Raine, Staff Accountant

Jeremiah graduated from the University of Wisconsin Eau Claire in December of 2014 with a bachelor’s degree in Finance then received his Master’s in Accounting and Finance in 2011. He started with Biesterveld & Spies in August of 2018 as a staff accountant and is currently working towards his Certified Public Accountant license.

Jeremiah now calls Eau Claire his home, with his wife Bridgett and their four children; Jackson, Harrison, Wilson and Monroe. In his free time, he is an avid golfer and enjoys traveling.


Rigo Mendoza Jr, Staff Accountant

Rigo@biesterveld.com

Rigo graduated from the University of Wisconsin - Eau Claire in December of 2019 with a bachelor's degree in Business Administration with an emphasis in accounting and finance. He started with Biesterveld & Spies in June of 2020 as a staff accountant and is currently working towards his CPA license.

Rigo was born and raised in Delavan, Wisconsin, but decided on moving to Eau Claire without ever touring the area or campas before being accepted to the university. In his free time, he enjoys weight lifting and anything related to games and comic books.


Maegan Verbracken, Office Manager

Maegan@biesterveld.com

Maegan joined Biesterveld & Spies in January of 2020 as an Administrative Assistant for the tax season; when our office manager position opened up shortly after she seamlessly took on that role starting April of 2020. Maegan is more than likely the first person you will come into contact with when you call or stop in.

Maegan is an area local born and raised in Lake Hallie. She graduauted from the University of Wisconsin - Eau Claire in December of 2017 with a Bachelor's Degree in Literature.


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