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Leadership Team

Walt B. Derengowski, CPA, CFE

Nonprofit Audit Partner

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Walter B. Derengowski, CPA, CFE is a partner with Gelman, Rosenberg & Freedman CPAs. He has been performing audits and other agreed-upon procedures for tax-exempt organizations since 2001, including trade associations, private voluntary organi­zations and similar institutions.

Mr. Derengowski manages all aspects of client services and engagement administration to ensure the accuracy and efficient completion of fieldwork and report preparation. He works closely with client management and staff to plan engagements, proactively resolve problems and suggest procedures to improve the accounting process and internal controls. Throughout the life of the engagements he is directly responsible for performing and analyzing staff fieldwork audits in accordance with auditing standards generally accepted in the United States of America, Government Auditing Standards and the requirements of Title 2 U.S. Code of Federal Regulations (CFR) Part 200, Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards (Uniform Guidance).

Mr. Derengowski’s expertise in field office audits has provided him with the opportunity to travel to Africa, the Middle East, Asia and Europe for GRF’s international NGO clients.  He specializes in identifying risk areas, validating financial statements and reviewing field office compliance with headquarters’ policies and procedures for nonprofits with international operations. He recently led a webinar with more than 200 attendees during which he presented on audit best practices for nonprofit organizations.

  • Bachelor of Science, Accounting, University of Maryland

Professional Affiliations

  • American Institute of CPAs (AICPA)
  • Association of Certified Fraud Examiners (ACFE)
  • Greater Washington Society of CPAs (GWSCPA)
  • Maryland Association of CPAs (MACPA)

Industry Partners

  • American Society of Association Executives (ASAE)

Industry Partners

Community Involvement
  • Finance Committee Chair for the Young Playwrights’ Theatre

AUVSI has had a relationship with the firm of Gelman, Rosenberg & Freedman, and specifically Jim Larson, for eight years.

Daryl Davidson |  Executive Director
Association for Unmanned Vehicle Systems International