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Serving the Heartland since 1988
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Preparation of Financial Statements

About Us

Get to Know Our Firm
Helping You Build Your Business & Grow Your Wealth

Welcome to Manning & Associates, P.C. If you are looking for a combination of expertise and personal service, you have found it. We offer a broad range of accounting and tax services to help build your business and grow your personal wealth.


Our family, helping your family

Mark Manning, CPA

Started the firm in 1988 in Crete. In 1992, he bought the practice in Geneva. The two offices consolidated in 2000. Mark works in Crete most days, but travels to Geneva on Thursdays and as needed to assist clients

Greg Zoubek, CPA

Senior Accountant
Began working in our Crete office, August 2013 . Greg specializes in farm and business taxes along with tax planning. He will also be working with businesses on QuickBooks setup and training.

Jay Sorensen, CPA

Senior Accountant
Has been working part-time in our Crete office since 2001. Jay works with our corporate clients as well as assisting with tax preparation and review.

Heather Lightwine, CPA

Senior Accountant
Heather started with our firm in 2016. She graduated from Doane College in 2016 & was issued her CPA License in May of 2018. She mainly works in Geneva but travels to the Crete office on occasion.

Sherri Pospisil

Geneva Office Manager/Staff Accountant
Joined the practice in September 1992 in the Geneva office. When the offices consolidated, Sherri stayed in Geneva, although she does travel to Crete when needed. Sherri handles our bookkeeping and payroll clients as well as preparing tax returns.

Joshua Johnson

Crete Office Manager
Joined the Firm in November 2015 in the Crete Office. Josh graduated from SCC in 2015 and manages our filing systems, website, and general office policies and procedures.

Jann DeLong

Staff Accountant
Has been with our firm since January 1998. She works in our Geneva office. Jann prepares tax returns, does bookkeeping and assists anywhere needed.

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