Gregory Rosko in

Gregory Rosko

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Tax Managing Partner at Deloitte
📍 Cleveland, Ohio, United States

Gregory Rosko is a Tax Managing Partner at Deloitte with over two decades of experience advising multinational corporations on complex tax matters. He is a licensed CPA and attorney, holding a J. D. from Cleveland-Marshall College of Law and a Master of Taxation from the University of Denver, blending legal and financial expertise.

He is deeply committed to community service, particularly in education. Gregory serves on the Board of Directors for Julie Billiart Schools, an institution that supports K-8 students with learning differences. This role aligns with his stated passion for teaching and developing the next generation of professionals.

Unique fact: He holds a certification in Human-Centered Design, an uncommon skill set in the tax and accounting industry.

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Experience
25 Years
Current Role
Tax Managing Partner
Location
Cleveland, Ohio, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Gregory cares about

Corporate Tax Strategy
He has over 20 years of experience advising multinational corporations on tax accounting, planning, and recent regulations like Pillar Two and ASU 2023-09.
AI in Tax Function
He actively shares content on how tax departments can integrate AI, suggesting a forward-looking approach to technology adoption in his field.
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Career

Work history

6-2025
Tax Managing Partner
Deloitte
8-2021
Partner
Deloitte
3-2013 - 8-2021
Tax Partner
PwC
9-2006 - 3-2013
International Tax Sr. Manager
Deloitte Tax
9-2000 - 5-2006
Manager
Ernst & Young LLP
In the press

Media appearances

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Education
2003 - 2007
JD
Cleveland State University - Cleveland-Marshall College of Law
1999 - 2000
M.T.
University of Denver
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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