PKF Mueller

Enhancing the lifetime success of our clients

The Mueller Team

Joseph A. Kostro


  • Telephone: 708-349-6999
  • Email: jkostro@pkfmueller.com
  • Expertise: Audit   Non-Profit  


Joe is a Director in the Firm’s Audit Department and has over 12 years of public accounting experience. He began his career as a financial analyst at ServiceMaster for 7 years before starting at MPS|CPA. Joe joined PKF Mueller in 2018 after a merger with MPS. 

Joe specializes in audit, accounting, and tax services for not-for-profit organizations, including voluntary health and welfare entities, foundations, private schools, and professional and trade associations. He also has a leadership role in the Firm’s Non-Profit niche.

Education & Certifications

  • B.B.A., Accounting & Finance, University of St. Francis
  • Licensed Certified Public Accountant, Illinois

Professional & Civic Organizations

  • American Institute of Certified Public Accountants (AICPA)
  • Illinois CPA Society (ICPAS)

Get In Touch

Fill in the form below to contact us now

* *