Jim Peko – Biography
Last update: May 18, 2026Executive profile
Jim was Senior Manager for Deloitte. Jim Peko joined Grant Thornton in 2006. Jim served as National Managing Principal, Operations and Chief Operating Officer for Grant Thornton.
Jim Peko is currentlyChief Executive Officer and Chief Executive Officer of Grant Thornton Advisors at Grant Thornton US - View - Grant Thornton US org chart
Chief Executive Officer of United States and Director at Grant Thornton - View - Grant Thornton org chart
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Education
Jim Peko has a Bachelor of Science in Economics, Accounting from St. Peter’s College and a Master of Business Administration in Finance from Fordham University.
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- At Grant Thornton US, Jim Peko has 276 colleagues including Greg Ross (Construction & Real Estate), Omri Avdi (BusDev)…
- At Grant Thornton, Jim Peko has 1033 colleagues including Greg Keith (CEO & Director), Peter Bodin (Outgoing CEO & Director)…
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- In the Accounting industry, Jim Peko has 11,646 colleagues in 644 companies located in 78 countries. 6,845 executive movements have been recorded in the last 12 months. Learn more about Accounting.
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