Mark  CookMark Cook

Orange County

[email protected]

Mark is the Department Head of SingerLewak's Orange County tax practice, a Certified Public Accountant in Missouri and California, a Chartered Global Management Accountant, a member of the American Institute of Certified Public Accountants and California Society of Certified Public Accountants.


Mark has 30 years of tax experience including more than 16 years with PricewaterhouseCoopers as a tax partner, preceded by four years with Ernst & Young. His clients have ranged in size from emerging small and mid-cap companies to Fortune 500 businesses. Mark’s expertise includes corporate planning, acquisition due diligence and structuring, tax compliance and tax provisions, and structuring alternatives for private equity and venture capital participants.

Industries & Focus

Manufacturing, Distribution, Retail, E-Commerce, Private Equity, Venture Capital, and High Net Worth Individuals.

Education & Affiliations

Mark serves on the Editorial Advisory Board of the Tax Advisor and is a regular contributing editor to the Tax Advisor's Tax Clinic column, and has written or edited over 150 articles. He is a frequent speaker and writer for other publications and is currently serving as Chairman of the AICPA's Tax Practice & Procedures Committee for the years 2016 - 2019.