Michael A. DeHaven, CPA


home_silver  2 Campus Boulevard, Suite 220
Newtown Square, PA 19073

phone_silver  Phone: 610-353-4610

fax_silver  Fax: 610-353-6948

mail_silver mdehaven@rainer.com

Areas of Specialization

Mike currently serves as chair of the firm’s retirement plan audit division. In addition to those duties, he is directly responsible for servicing clients in various industries, including construction, manufacturing, real estate, transportation, hospitality, professional service firms and non-profit organizations, and is directly involved in developing tax planning strategies and the review of tax compliance.

Mike is also a member of the firm’s business consulting division. He has been involved in various engagements including mergers and acquisitions, fraud investigations, and evaluations of financial and operational control procedures.


Mike joined the firm in 1994 and was made a shareholder in January 2004. He and his wife, Kim, live in Westtown Township with their three boys, Chris, Colin and Regan.

Community and Professional Affiliations

  • West Chester University President’s Corporate Advisory Board – Board Member
  • Chester County Chamber of Business and Industry – Chairman Emeritus
  • Chester County Economic Development Council – Board Member
  • Chester County Community Foundation – Board Member
  • Mental Health Partnerships – Board Member
  • Central and Western Chester County Industrial Development Authority – Board Member
  • American Institute of Certified Public Accountants – Member
  • Pennsylvania Institute of Certified Public Accountants – Member


• 1991 B.S. – Accounting, University of Dayton, Ohio