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 and e-commerce.

As a key member of the Firm’s Assurance Services group and Transaction Services group, Mr. Klenner 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.

Mr. Klenner has more than 30 years experience working in both public accounting and private industry. He 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

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


Financiel Reporting
Mergers & Acquisitions
Financial Reporting
Corporate Finance

Industry Focus

Financial Services
Real Estate


Bachelor of Science, Accounting
City University of New York