John Monaghan, CPA, CVA

Director, Tax & Business Advisory Services
(419) 517-5413

John joined GBQ in 2022, following the acquisition of VZN Group, LLC (VZN), where he provided tax, business valuations and business consulting services for nearly 20 years. After beginning his career, John opened an accounting firm in 1998, which merged with VZN in 2004.

Throughout his career, John has had the opportunity to empower growth of clients in several industries, including transportation, recycling, distribution and service.

Throughout the community, John is an active member of the Sylvania Area Chamber of Commerce and serves as treasurer of the Sylvania Area Community Improvement Corporation and the Sylvania Schools Foundation.


  • The Ohio State University – B.S.B.A., Accounting

Professional Associations

  • American Institute of Certified Public Accountants
  • The Ohio Society of Certified Public Accountants
  • National Association of Certified Valuators and Analysts


Professional Bio