Broker Check


J. Matthew Yuskewich, CPA


Matt has an undergraduate degree in Economics from Ohio Dominican College (1974) and a Masters in Business Administration degree from Xavier University (1977). Matt is a member of the American Institute of CPA’s currently serving on the IRS Practice and Procedures Committee and The Ohio Society of CPA’s previously serving on the AICPA’s State Taxation and IRS Forms Committee, the OSCPA’s Taxation, Governmental Affairs, and Political Endorsements Committee’s. Matt served as Chair of the Board 2009-2010 and currently serves on the Ohio Society’s PAC Committee, and as Treasurer of the Ohio House Republican Campaign Committee. Matt was appointed to the Ohio Business Gateway Commission by Governor Taft and also currently serves as Chairman of the Board of Tax Appeals for the City of Upper Arlington.

Matt founded the Winterset CPA Group, Inc. in 1988 after working with other local CPA firms from 1981. Prior to entering public accounting Matt was a teacher, an Internal Auditor and a Business Strategy Consultant.

Susan E. Jones


Susan graduated from Columbus State with a degree in Business Management with an emphasis in administrative office procedures. Susan maintains Series 6 and Series 63 securities registrations and is a Registered Representative for Cetera Financial Specialists, LLC. For investment related questions please email Susan at

Winterset CPA Group has employed Susan since 1990. She previously worked for Matt Yuskewich at a CPA firm in Worthington as the Office Manager. Susan maintains many client responsibilities which include assisting in monthly accounting and payroll tasks.

Susan is responsible for the firm’s political campaign compliance services which include managing receipts, disbursements and reporting functions on both a State and Federal level.

Susan lives in Worthington with her three children, Katie, Michael and Matthew. She is an active volunteer in their schools and church.

Veronica Havran-Vena


Veronica graduated from The Ohio State University in May of 2016 with a Bachelor of Science degree in Accounting and Sustainable Business. While at The Ohio State University, she completed three internships with companies in the Columbus area.

Veronica began working for Winterset CPA Group in September of 2016. she is responsible for assisting clients with the preparation of individual and corporate tax returns, the compilation of financial statements and payroll taxes.

Veronica currently lives in New Albany. In her free time she enjoys being outdoors, practicing yoga and spending time with family.

Bronwyn Mroczkowski

Bronwyn graduated from Mount Vernon Nazarene University in May, 2013 with Bachelor of Arts degree in English with a minor in Psychology.  

Bronwyn began working at Winterset CPA Group in June of 2018.  She is responsible for administrative procedures in the office, including front line interfacing with our wonderful clients.  

Bronwyn lives in Clintonville.  In her free time, she enjoys practicing yoga, hiking and spending time with family.

Joshua Jago

Josh moved to Columbus from Coshocton in 2012, and graduated from Ohio Dominican University in May of 2016 with a Bachelor of Science degree with a major in Accounting.

Josh began working for Winterset CPA Group in January of 2019 after working for another local CPA firm.  He is responsible for assisting our clients with the preparation of individual and corporate tax returns, the compilation of financial statements and other various payroll and tax related matters.

He currently lives in Columbus with his daughter.  He enjoys spending time with his daughter and visiting friends.