• efficiency
  • peace
  • hope

Limestone Staff

Located in Sioux Falls, Yankton and Brookings


Limestone has a dedicated team of bookkeeping professionals in South Dakota that are ready to provide quality bookkeeping service to your business. Our experienced staff takes the time to understand your business, your vision and your goals to map out clear directions for your success.


Founder - Steve Mix

 

Founder and President
Steve Mix | Sioux Falls

As Founder and President, Steve’s vision is to help business owners achieve success by building from a solid foundation of proven processes. He has been in the business of professional bookkeeping since 1996 and has served as controller for companies in commercial flooring, high-end home furniture, swimming pools and commercial furniture. Steve believes in always learning, teaching others what he has learned and that the more you give the better your life becomes. He also serves as the local Area Director for Business Networking International. 

Steve is married to Lisa and they have one son and one daughter. He also loves watching soccer and hunting in the fall. Steve holds Bachelor of Science degrees in Economics and Accounting and a minor in Chemistry.


Bookkeeper - Tom Parker

 

Director of Client Services
Tom Parker | Sioux Falls

Tom joined Limestone in 2012 with a passion to share the company’s core values and a desire to help small businesses thrive. He has 22 years of experience as a manager and small business owner, including 11 years in manufacturing and distribution, four years as plant manager for an international firm, and three years as a business owner in the retail and hospitality industries. He also had a two-year stint as a manager and certified installer of a local geothermal drilling business.

Tom has a wife and son and enjoys camping, running, volleyball, home improvement projects and visiting family out of state. He holds a Bachelor of Science degree in Business and Operations Management.


Bookkeeper - Cheryl Beck

 

Manager/Bookkeeper
Cheryl Beck | Yankton

Cheryl joined the Limestone team in 2012. She has over 30 years of experience in accounting, payroll, sales and excise taxes, inventory controls, job costing, financial reporting, budgeting, and cash flow management across multiple industries. Cheryl loves to help people and businesses grow and succeed.

Cheryl’s expertise was recognized by the Yankton Chamber of Commerce in 2016 with their New Business Excellence award and she has completed the Leadership Yankton program. Cheryl is very active in the community and with her family. She has a Bachelor of Science degree in Accounting with a minor in Computer Science from Northern State University.


Bookkeeper - Glen Den Hoed

 

Bookkeeper
Glen den Hoed
| Sioux Falls

Glen joined the Limestone team in 2012 and specializes in bookkeeping and tax return preparation. Prior to joining Limestone, he spent 16 years in construction and management. His goal is to provide business owners with peace of mind that their books are accurate and up to date and that they have the right tools to make important business decisions.

Glen and his wife Jammie have three daughters and they enjoy camping, hunting and fishing. Glen holds a Bachelor of Science degree in Accounting.


Bookkeeper - Mike Ehlers

 

Bookkeeper
Mike Ehlers
| Sioux Falls

Mike joined the Limestone team in 2007 and has experience in retail sales and management. His goal is to partner with you to learn about your business so you can accomplish all of your business dreams. Mike enjoys becoming a part of your team, developing a meaningful relationship, and providing you, the business owner, with the peace that comes from knowing exactly how the business is performing financially.

Mike and his wife Courtney have four children and in their free time are usually supporting the kids’ sporting or musical pursuits. Mike has a Bachelor of Science degree in Music Merchandising from South Dakota State University,


Bookkeeper - Sherry Roed

 

Bookkeeper
Sherry Roed | Sioux Falls

As part of Mix Bookkeeping and Tax since 2010, Sherry played an integral role in the development and transition into the Limestone brand in 2011. She has six years experience working with multi-state payroll and payroll taxes at a national hotel chain. Sherry’s background includes 15 years in the medical and HVAC industries. Her keys to success are to listen to what the client is asking for and treat others the way that she wants to be treated.

Sherry enjoys spending time with her family and reading and doing crafts. She holds a Bachelor of Science degree in finance, an Associate of Arts degree in accounting, and a Master’s degree in Business Administration.


Bookkeeper - Holly Hirsch

 

Bookkeeper
Holly Hirsch | Sioux Falls

Holly is a small business owner of five years and has worked in office management in the fields of retail, mental health, insurance and auto repair. Holly has experience in payroll, accounts payable, accounts receivable and sales tax. Her desire is to take on any bookkeeping task that will allow the business owner to be able to concentrate on what they do best – run their business.

Holly and her husband have three boys. In her free time, Holly is heavily involved in her children’s sports, namely soccer and basketball, as a manager to one team and a treasurer for two. Her favorite part is the time spent talking to the kids in the car on the way to and from events – whether they are in town or 13 hours away.


Bookkeeper Tara Theel Bookkeeper
Tara Theel | Sioux Falls

Tara has over ten years of experience in bookkeeping and accounting including payroll, accounts payable, accounts receivable, financial statement reporting and account reconciliations. She gives 110% to all of her clients and she always has a smile on her face.

Tara and her husband have a young son and they enjoy biking, camping and boating with friends and family. She also has a passion for photography and scrapbooking. Tara has an Associate’s degree in Business Administration.


Bookkeeper
Krystal Stulgies
| Yankton

In addition to Krystal’s bookkeeping experience she has worked in retail banking, marketing and advertising. She has a strong belief in being loyal, true and smart and that the rest will follow.

Krystal and her husband Adam have a young son and she enjoys camping, horror movies and music of all kinds. She has a Bachelor of Business Administration (BBA) from Texas State University, San Marcos.


Bookkeeper - Deb Eilers Bookkeeper
Deb Eilers | Brookings

Prior to joining Limestone, Deb gained over 25 years of management experience in both accounting and law. She has had leadership roles in retail, manufacturing, landscape architecture and information technology. She has a passion for always searching for a better way and loves reading, fishing and biking with her husband.

Deb holds a Bachelor of Science degree from the University of Illinois, a Master’s degree in Business Administration from Lake Forest College and a Juris Doctor degree from the University of Loyola.


 

Bookkeeper - Brenda Spencer Bookkeeper
Brenda Spencer | Yankton

Brenda recently joined Limestone and has several years of bookkeeping experience as well as many years of involvement in the Yankton community.

Brenda has a Bachelor of Science degree in Business Administration from the University of Nebraska-Lincoln.

Brenda has continually shown her commitment to the community, her coworkers and Limestone’s clients.

 

  Bookkeeper
Joann Messersmith | Sioux Falls

Joann joined the Limestone team in 2017.  She has been doing bookkeeping for over 18 years, with extensive experience in the construction industry and property management. She enjoys learning about you and your business passions, and helping your business become even more successful.  She understands that your business can be all-consuming for you, and strives to bring you peace, by understanding what is happening in your business.

Joann and her husband Mike have two children and enjoy spending time with them.  Joann also has a love of horses, riding and raising German Warmblood horses for dressage, a French word for training a horse to be responsive to the slightest aids of the rider.

Joann holds a bachelor’s degree from the University of Wisconsin at Whitewater, with a major in Small Business Management and a minor in Public Relations, and a South Dakota Real Estate Broker’s License.


Bookkeeper - Kimberly Elenkiwich Bookkeeper
Kimberly Elenkiwich | Brookings

Kimberly holds an undergraduate degree from South Dakota State University and joined Limestone while finishing her Master’s Degree in Professional Accountancy from the University of South Dakota. In addition to her bookkeeping career, she has over ten years of experience in the banking and finance industry. This competitive edge helps her fully understand each business she works with. She believes every business should have goals and a progressive plan for ultimate success.

Kimberly enjoys competitive swimming and swam on the SDSU Division 1 Women’s Swimming and Diving team.  Her roots lie in the Brookings area where she serves on several boards and won the Women’s Leadership and Learning “Rising Star” Award in 2013.  She enjoys playing the piano in her spare time.

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