Senior Manager, Risk & Advisory Services


Mac Lillard is a Risk & Advisory Services Senior Manager with GRF CPAs & Advisors, specializing in the nonprofit and International Non-Governmental Organization (INGO) industry since 2014. He performs a wide range of client services, providing technical expertise to help organizations build and maintain risk management processes, optimize systems through integration and automation, enhance controls for fraud prevention/detection, and improve their cybersecurity posture. He travels domestically and internationally to provide services to global organizations.

As a Senior Manager, Mr. Lillard leads planning, fieldwork, reporting, and ongoing communications for his engagements. He holds designations through professional organizations that allow him to provide his clients with added value and a holistic experience on every engagement.

He continues his education by speaking at and attending professional seminars related to auditing (internal and external), enterprise risk management, fraud examinations, and information systems control and security. He is also the Vice President of Programs for the Washington, DC Chapter of the Institute of Internal Auditors and helps to develop content to educate professionals on emerging topics, industry trends, and best practices.

Education and Certifications

  • M.S. in Professional Accountancy, Clemson University
  • B.S. in Accounting, Clemson University
  • Certified Public Accountant (CPA)
  • Certified Internal Auditor (CIA)
  • Certified Fraud Examiner (CFE)
  • Certified Information Systems Auditor (CISA)
  • Certified in Risk and Information Systems Control
  • Certified Information Technology Professional
  • Advanced Single Audit Certificate

Professional Affiliations

  • Institute of Internal Auditors (IIA), Washington, DC Chapter, Associate Vice President of Programs
  • Association of Certified Fraud Examiners
  • Information Systems Audit and Control Association
  • The Greater Washington Society of CPAs (GWSCPA)
  • Habitat for Humanity of Metro Maryland, Board and Finance Committee Member
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