About TIGTA: Office Locations: Headquarters (Washington, DC) - U.S. Treasury Inspector General for Tax Administration (TIGTA)

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Headquarters
1125 15th St NW, Suite 700
Washington D.C., 20005

Inspector General

J. Russell George
Inspector General for Tax Administration
(202) 622-6500

Joseph I. Hungate, III
Principal Deputy Inspector General
(202) 622-6500

Rob Sperling
Congressional, Media and Public Liaison
(202) 622-6500

Office of Investigations

Steven Jones
Deputy Inspector General for Investigations
(202) 927-7160

Timothy Camus
Assistant Inspector General for Investigations - Field Divisions
(202) 927-7160

Gregory Holley
Deputy Assistant Inspector General for Investigations
(202) 927-7160

Michael Delgado
Assistant Inspector General for Investigations - Headquarters Operations
(202) 927-7160

TIGTA Hotline
(800) 366-4484

Operations Division
(202) 927-0454

Technical and Firearms Support Division
(301) 210-8700

Strategic Enforcement Division
(202) 283-2122

Special Inquiries and Intelligence Division
(202) 927-7023

Office of Audit

Michael Phillips
Deputy Inspector General for Audit
(202) 622-6510

Margaret Begg
Assistant Inspector General
Security and Information Technology Services
(202) 622-8510

Nancy Nakamura
Assistant Inspector General
Management Services and Exempt Organizations
(202) 622-3837

Michael McKenney
Assistant Inspector General
Returns Processing and Account Services
(202) 622-5916

Margaret Begg
Acting Assistant Inspector General
Compliance and Enforcement Operations
(202) 622-8510


•	The IRS deployed the Modernized e-File System with known security vulnerabilities

•	A Budget and Additional Business Measures Would Help the Criminal Investigation Division Better Administer Its Counterterrorism Efforts

•	Weaknesses in Business Resumption Plans could delay recovery from a disaster.


•	Man Pleads Guilty to Interference with a Federal Employee

•	IRS Revenue Agent Arrested After Being Indicted on Charges of Tax Fraud and Obstructing an Investigation

•	Former Employee of IRS Contractor Who Stole and Deposited U.S. Treasury Checks is Sentenced

Last Updated: October 29, 2008