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William A. Polash



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As a Partner in FGMK’s Advisory Services Practice, Bill specializes in dispute consulting and valuation services. He has over 25 years of experience and has provided expert witness testimony in matters of forensic accounting, fraud examination, damage computation, and valuation.

Bill’s experience includes valuing businesses for the purpose of estate and gift taxes, damage claims, financial reporting, sale and purchase agreements, built-in-gain calculations, shareholder disputes, stock-based compensation, and marital dissolution, computing lost profits and other damages, acting as a neutral accounting arbitrator, providing fraud risk assessments, and leading forensic accounting investigations.

His industry expertise includes real estate, construction, manufacturing and distribution, healthcare, financial services, professional services, governmental, insurance, and not-for-profit.

Prior to joining FGMK in 2004, Bill worked at Deloitte in their financial advisory services group.

Education and Certifications

  • M.B.A., Finance, DePaul University
  • B.S., Accountancy, University of Illinois
  • Certified Fraud Examiner (CFE)
  • Certified Public Accountant (CPA)
  • Certified Valuation Analyst (CVA)

Professional and Civic

  • American Institute of Certified Public Accountants (AICPA)
  • Association of Certified Fraud Examiners (ACFE)
  • Illinois CPA Society (ICPAS)
  • National Association of Certified Valuators and Analysts (NACVA)