Clayton Stiffler, CPA
Clayton Stiffler, CPA
Clayton Stiffler, CPA
Senior Manager, Accounting & Outsourced Solutions

Clayton is a senior manager in the Accounting & Outsourced Solutions Department at Maner Costerisan. He specializes in outsourced accounting, process reviews and general bookkeeping services for clients. He graduated from Michigan State University with both a Master of Science degree and Bachelor of Science degree in Accounting. While in college, Stiffler was on the Dean’s List for eight semesters.


  • Certified Public Accountant (CPA) – Michigan


  • QuickBooks Proadvisor


  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants