Festus Staff

Michael P. O'Shea, CPA


Mike obtained his Bachelor's degree from Southeast Missouri State University in 1997.  Mike joined our firm in 1997.


Thomas U. Voss, CPA


Tom graduated from Rockhurst University with a Bachelor's degree in 1973.  He has over 23 years of experience in public accounting and served 15 years as chief financial officer of an energy company.   He joined our firm in 2010.

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Taylor Bone, CPA


Taylor obtained his Bachelor's degree from Webster University in 2013.  Taylor joined our firm in 2013.

Amy Wigger

Amy Bagwell, CPA

Senior Accountant

Amy joined our firm in 2018.

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Jennifer M. Zerwig

Staff Accountant

Jenny obtained her Bachelor's degree from Southeast Missouri State University in 2005.  She has eight years previous Public Accounting experience.  Jenny joined our firm in 2013.

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Patricia A. Lurk

Accounting Assistant

Pat obtained her Associates degree from Jefferson College in 1990.  She joined our firm in 2010 and has 17 years of service and experience.  Pat is also a Certified Quickbooks ProAdvisor.

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Deborah A. Williams


Debbie joined our firm in 2008.