Yossi Messafi


Providing excellent client service is what I strive to achieve by working together with clients and understanding their needs, providing expert advice along with meaningful and accurate financial reporting

Yossi is a Partner at PKF O’Connor Davies and a member of the Firm’s Health Care industry practice. Prior to joining the Firm, he worked for over 20 years in the audit division, including as an engagement quality reviewer at a national accounting firm. 

His depth of experience encompasses service to clients in the not-for-profit sector, including hospitals, nursing homes, social service organizations, low income housing, higher education and pension plans. 

Yossi has conducted audits under US GAAP/GAAS, Uniform Guidance (Circular A-133), and ERISA regulations. He plans, directs and oversees all aspects of audit engagements, including single audit reporting and cost report certifications.   

He also serves as a continuing professional education instructor for in-house training sessions and as a mentor to staff.

Professional Affiliations & Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • New York State Society of CPAs (NYSSCPA)
    • Not-For-Profit Committee Member


  • Certified Public Accountant (New York)