About John

John E. Klenner is a partner in the Assurance Services division of the Firm’s New York City office. He has extensive experience working closely with businesses that span several industries including financial services, technology, real estate, energy, healthcare, and e-commerce.

As a key member of the Firm’s Assurance Services division and Transaction Services Group, John assists clients with audits and financial reporting requirements and advises on matters related to mergers and acquisitions, divestitures, and due diligence, including business risk analysis. He also leads the Firm’s Healthcare Services Group in the New York City Metro region.

John joined the Firm in 2005. Previously, he was with two full-service hotels in Southern California prior to relocating to New York and working at two regional public accounting firms.

Professional & Civic Affiliations

  • New York State Society of Certified Public Accountants (NYSSCPA)
  • United States Tennis Association, Incorporated, Former Budget Committee Member
  • United States Tennis Association, Incorporated, Sportsmanship Committee
  • USTA Eastern, Inc. (Eastern Section of the United States Tennis Association), Past President
  • Junior Tennis Foundation, Director and Audit Committee Chairman
  • Malaria No More, Treasurer

ARticles, Seminars & Presentations

Practice Focus

Financial Reporting
Mergers & Acquisitions
Financial Reporting
Corporate Finance


Bachelor of Science, Accounting
City University of New York