John Williamson

Risk Advisory Services Partner

John Williamson
Direct Dial

B.M., Southern Methodist University

M.S. in Accounting, the University of Texas at Dallas

M.M., Rice University

John Williamson is a Certified Internal Auditor, a Certified Public Accountant, a Certified Information System Auditor, and Certified Fraud Examiner with more than nine years of experience with risk advisory services at Whitley Penn. His practice emphasis is in operational and technology risk management, Systems and Organization Control (SOC) 1/2/3 reporting, SOC for Cybersecurity, internal audit, Sarbanes-Oxley (SOX) consulting, business process optimization, compliance attestation, and information technology consulting.  Much of that work involves collaborating with management teams on identifying and evaluating organizational strategic objectives and actively managing risks that threaten the achievement of those objectives.  He frequently works with senior management and audit committees involving governance and risk advisory related matters.

John currently serves on the Board of Governors for the Dallas Chapter of the Institute of Internal Auditors (IIA), where he advocates for the internal audit profession, internal control optimization, and best practices in corporate governance. He often speaks on risk advisory and Cybersecurity matters for professional audiences, including IIA conferences and continuing professional education events.  As an active member of the IIA, Information Systems Audit and Control Association (ISACA), American Institute of Certified Public Accountants (AICPA), and Association of Certified Fraud Examiners (ACFE), John continuously remains apprised of the latest trends in industry and compliance risk.

He currently lives in Richardson with his wife Lauren, and his five children Jack, June, Sam, Luke, and Henry.

Click here to listen to John Williamson’s episode on our podcast Whitley Penn Talks:
Cybersecurity Risk Assessments

Professional Certifications
  • Certified Internal Auditor (CIA)
  • Certified Information System Auditor (CISA)
  • Certified Public Accountant (CPA)
  • Certified Fraud Examiner (CFE)
Professional Organizations
  • Institute of Internal Auditors (IIA)
  • Board of Governors for the Dallas Chapter IIA
  • Information Systems Audit and Control Association (ISACA)
  • American Institute of Certified Public Accountants (AICPA)
  • Association of Certified Fraud Examiners (ACFE)
  • Infragard member


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