Stephen Machinski

Partner, PKF O’Connor Davies LLP

Partner, PKF O’Connor Davies Advisory LLC

Stephen Machinski

"Our commitment to professionalism is tangible. Above anything else, accessibility to expert guidance and direction is what our not-for-profit clients can count on most."

Stephen Machinski has more than 20 years of experience practicing accounting and auditing with an extensive background in serving not-for-profit organizations, including educations institutions, religious organizations, social service agencies and health and welfare organizations and associations.

His expertise in working with not-for-profit entities includes conducting audits of pension plans and he is extremely knowledgeable in conducting audits in accordance with Uniform Grant Guidance.

In addition, Stephen is a frequent instructor for in-house not-for-profit continuing professional education programs.

Professional Affiliations & Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • New York State Society of Certified Public Accountants (NYSSCPA)
    • Member, Not-for-Profit Committee
  • New Jersey Society of Certified Public Accountants (NJCPA)


  • Certified Public Accountant (New Jersey, New York)