About Jeffrey

Jeffrey S. Winkleman is a Tax & Business Services partner in Philadelphia and serves as partner-in-charge of the Firm’s national Corporate Tax Services Group. He has more than 35 years of experience representing public companies and large privately held companies, their business owners and key executives in a wide variety of industries. Most of his clients operate in many states and have locations or business operations in jurisdictions throughout the world.

He has more than 35 years of extensive experience representing buyers and sellers in merger and acquisition transactions. Mr. Winkleman is often quoted in articles and frequently speaks on tax topics to attorneys, trade association members and clients.

He is often engaged by clients needing representation before the Internal Revenue Service and other taxing authorities. His highly intelligent approach to the negotiation process often leads to significant refunds and settlements.

Prior to joining the Firm in 1988, Mr. Winkleman was with a large regional accounting firm. Earlier in his career, he spent 11 years with a “Big 4” accounting firm.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • Pennsylvania Institute of Certified Public Accountants (PICPA)
  • Montgomery County Estate Planning Council, Past President


Master of Science, Taxation
Temple University

Bachelor of Business Administration, Accounting
Duke University