Larry Langdon


Mayer Brown LLP
Palo Alto, California, USA

Law Firm - International

Professional Summary

Larry Langdon was the first Commissioner of Large and Mid-Sized Business Division (now Large Business and International Division), Internal Revenue Service (1999-2003). Larry focuses on alternative dispute resolution tools and techniques in audit and Appeals controversies with the IRS. As an advisor in routine and complex audit and Appeals matters, Larry is nationally recognized as the expert in Pre-Filing Agreements, early referral and Fast-Track Appeals, Comprehensive Case Resolution as well as for possessing the expertise to escalate, both domestic and international, matters up the chain of command of the IRS by utilizing his exceptional knowledge of IRS policies and procedures.

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  • English



Mayer Brown LLP
Palo Alto, California, USA 94306
Law Firm - International
2003 - Present
Partner, advising global corporate clients regarding tax controversy matters.
Internal Revenue Service
Washington, USA 20024
Government - Federal
1999 - 2003
Commissioner, Large and Mid-Size Business Division, Internal Revenue Service
Hewlett-Packard Company
Palo Alto, California, USA 94306
Vice President Tax and Trade, Global Tax Planning
Corporation - Publicly-Held
1978 - 1999
Vice President, Tax, Licensing and Customs


LLM, Taxation 1963
New York University School of Law
New York, New York, United States
JD, law 1961
Ohio State University - Michael E. Moritz College of Law
Columbus, Ohio, United States
BS, Accounting 1959
Ohio State University
Columbus, Ohio, United States

Court Admissions

  • United States Supreme Court
  • United States Tax Court
  • California Supreme Court

Associations and Societies

  • American Bar Association - Section of Taxation

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