PKF Mueller

Enhancing the lifetime success of our clients

Drent J. Shields, CPA, MBA, CISA

Drent J. Shields



Drent is an Audit Partner with over 13 years of public accounting experience. He has extensive experience working with clients in the manufacturing, distribution, construction, technology and real estate industries. In addition to providing traditional audit, review and compilation services, Drent is a member of Mueller’s Risk and Controls practice. In this practice he has performed internal control related services for clients in the IT services, payroll processing, debt collections, treasury and cash management, and automated document factory industries. Drent’s engagement experience as a member of Mueller includes:

  • Service Organization Controls (SOC 1 and SOC 2) examinations (formerly SAS 70)
  • Internal control reviews and assessments
  • Internal audit consulting
  • Sarbanes-Oxley (SOX) compliance testing
  • International Financial Reporting Standards
  • Financial statement audits, reviews, and compilations
  • Financial forecasting and modeling
  • Federal and state tax compliance

  Prior to joining Mueller, Drent was a partner in small public accounting firm located in Chicago, Illinois that primarily provided accounting, tax, and consulting services. In this role he was responsible for managing client relationships, providing accurate and timely financial reporting, and preparing and reviewing complex tax filings for corporations, partnerships, trusts, and individuals.


  • B.S., Finance and Management Information Systems, Colorado State UniversitY, 2000
  • MBA, Finance, DePaul University, Chicago, 2004
  • Licensed Certified Public Accountant, Illinois, 2007
  • Certified Information Systems Auditor (CISA), 2015
  • Series 7 Exam, 2016
  • Series 66 Exam, 2017


  • American Institute of Certified Public Accountants (AICPA)
  • Illinois CPA Society (ICPAS)
  • Information Systems Audit and Control Association (ISACA)



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