Grant Thornton hires Tax Function Optimization guru, Mark Quiroz, as Managing Director

 In Grant Thornton

Quiroz has more than 20 years of public accounting and management consulting experience. He specializes in enhancing the operational effectiveness of corporate tax functions, and focuses on tax accounting and compliance process improvement – as well as tax sensitization of enterprise resource planning (ERP) systems. He also boasts experience implementing new tax processes and technology to deal with ongoing legislative and regulatory changes. Prior to joining Grant Thornton, Quiroz spent more than 10 years with PricewaterhouseCoopers LLP, where he served as management consulting director and leader in the firm’s financial services advisory practice.

“Mark brings to Grant Thornton a combination of proven leadership skills, vast knowledge of corporate tax functions, and a strong understanding of our growth-oriented clients’ needs,” said Vince Tomkinson, Grant Thornton’s Chicago office managing partner. “Having a professional of Mark’s caliber join the Grant Thornton team will be a real value to our clients, not just in this region, but nationally as well.”

“Mark has established himself as a thought leader in tax function optimization and his arrival adds proven punch to our capabilities,” said Renato Zanichelli, national managing partner of Grant Thornton’s TARAS practice.

Quiroz is a certified public accountant in Illinois and a member of the American Institute of Certified Public Accountants. He is also a project management professional (PMP) and certified Six Sigma Green Belt. He received a bachelor’s degree in accounting from Northern Illinois University.


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