John Sizer

Partner in Charge at Deloitte

John Sizer is the Partner in Charge at Deloitte based in United States.

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Partner in Charge at Deloitte

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United States


Management Consulting


Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we. Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more. The content on this page contains general information only, and none of Deloitte Touche Tohmatsu Limited, its member firms, or their related entities (collectively the “Deloitte Network”) is, by means of this publication, rendering professional advice or services. Before making any decision or taking any action that may affect your finances or your business, you should consult a qualified professional adviser. No entity in the Deloitte Network shall be responsible for any loss whatsoever sustained by any person who relies on content from this page.

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John Sizer Work Experience and Education

Work Experience

Partner in Charge

Education Background


Arizona State University


Arizona State University

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View Colleagues

Lyudmil Kemanov
In-charge Audit Assistant at Deloitte Audit Ltd.
Tyler Langenkamp
Managing Director at Deloitte
Tracy Reagan
Associate Director, Global Analyst Relations at Deloitte
Ginny Smith
Global Energy & Resources Marketing & Communications Director at Deloitte
Indro Pathak
Senior Manager at Deloitte
Daniel Park
Tax Senior Manager at Deloitte

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