John Peirson – Biography
Last update: May 4, 2026Executive profile
John Peirson joined Deloitte in 2002. John served as National Managing Partner of Audit Innovation and Client Service Delivery at Deloitte.
John Peirson is currentlyChief Executive Officer of Risk and Financial Advisory and Managing Partner of Businesses Operations and Integration at Deloitte US - View - Deloitte US org chart
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Education
In 1988, John Peirson completed a Bachelor of Business Administration in Accounitng at University of Wisconsin-Madison.
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- At Deloitte US, John Peirson has 78 colleagues including Jason Girzadas (CEO & Director), Lara Abrash (Chair of the Board)…
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- In the Accounting industry, John Peirson has 11,640 colleagues in 640 companies located in 78 countries. 6,870 executive movements have been recorded in the last 12 months. Learn more about Accounting.
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