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Shannan Gardner
Partner in Charge, Orange County location


Shannan is the partner in charge of the firm’s Irvine office. She has been in public accounting since 1995, including 11 years with a Big Four firm. Her focus is providing tax consulting and compliance services to public and private companies in the technology and manufacturing industries. Shannan’s experience includes tax provision assistance, income tax consulting, assistance with implementation of internal controls, documentation and computation of uncertain tax positions, consulting relative to tax issues inherent in mergers and acquisitions, and representation of companies under examination by the IRS and state taxing authorities.

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, California Society of Certified Public Accountants
  • Member, California State Board of Accountancy


  • BS, business administration (emphasis in accounting), California State Polytechnic University, Pomona
  • MS, business taxation, University of Southern California

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