Jon P. Klerowski

Principal, PKF O’Connor Davies Advisory LLC

“My approach to assisting companies and counsel is twofold: responsive and resourceful. I’ll always listen to understand the issue or question, and then act quickly to provide a thoughtful and thorough approach to resolving the problem at hand.”

Jon is a Principal in the Business Advisory Group, and has over 20 years of experience. He advises executive management, Boards of Directors and their counsel on accounting, financial reporting and modeling, business valuation and forensic accounting matters.

Jon assists legal counsel on various cases such as SEC and DOJ investigations of public registrants, SEC reporting matters, complex accounting, white-collar defense matters, corporate governance investigations, and various business dispute matters, including damages analyses, lost profits and purchase price disputes.

He also has significant experience preparing business valuations for strategic planning, tax planning and for litigation or dispute resolution matters. Jon has provided expert witness testimony, appeared before the SEC to present investigative findings, and assisted companies on multi-year financial statement restatements, international Foreign Corrupt Practices Act matters, Real Estate Settlement Procedures Act matters and matters involving the False Claims Act.

Jon works with clients across a variety of industries including asset management, software, healthcare, biotechnology, pharmaceutical, insurance, manufacturing, retail and telecommunications.

Professional Affiliations & Civic Involvement

  • American Institute of Certified Public Accountants (AICPA)
  • Massachusetts Society of Certified Public Accountants (MassCPAs)
  • Association of Certified Fraud Examiners


  • Certified Public Accountant (Massachusetts)
  • Accredited in Business Valuation (ABV)
  • Certified Fraud Examiner (CFE)


  • Suffolk University, Master of Business Administration degree
  • Bentley University, Bachelor’s degree in Finance