John Peirson

CEO | Partner, Deloitte Risk & Financial Advisory

John Peirson

50 S 6th Street

Suite 2800



United States


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John is a partner with Deloitte & Touche LLP, and the chief executive officer (CEO) of Deloitte Risk & Financial Advisory. He leads more than 15,000 professionals who help organizations navigate business risks and opportunities — from strategic, reputation, and financial risks to operational, cyber, and regulatory risks — to gain competitive advantages and become more trustworthy, resilient, and secure.

John has more than 30 years of experience advising global clients on strategy and transformation across a broad spectrum of financial and regulatory matters. Throughout his career, he has helped clients in areas including external and internal audit, controls optimization, operational risk transformation, accounting and reporting, and governance-related services, all with an eye toward guiding organizations to become high-performing businesses.

Additionally, John is a member of the US Executive and Management Committees. He previously served as Deloitte’s deputy chief financial officer and Deloitte Consulting LLP’s chief operating officer.

John is a University of Wisconsin-Madison graduate, and serves as a member of the Advisory Board for the Wisconsin School of Business. He is an active member of the American Institute of Certified Public Accountants and the Minnesota Society of CPAs.

John Peirson