Skip navigation.
TIGTA Print Friendly

Printed on  

Phone scam alert icon TAXPAYERS: Beware of IRS Impersonators! Don't become a victim this filing season... read more.
If you believe you have been a victim of an IRS Impersonation Scam, contact us.


What is TIGTA

Meet the IG

TIGTA Offices

Organizational Chart

Strategic Plan

City Center Building
1401 H Street, NW, Suite 469
Washington, DC 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

Karen Kraushaar
Communications Director
(202) 622-6500

Office of Investigations

Timothy Camus
Deputy Inspector General for Investigations
(202) 927-7160

Randy Silvis
Assistant Inspector General for Investigations - Field Divisions
(202) 927-7182

Deputy Assistant Inspector General for Investigations - Field Operations
(202) 927-0150

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

James Jackson
Deputy Assistant Inspector General for Investigations - Headquarters Operations
(202) 927-0029

TIGTA Hotline
(800) 366-4484

Operations Division
(202) 927-7160

Technical and Firearms Support Division
(301) 210-8700

Electronic Crimes and Intelligence Division
(202) 283-2122

Procurement Fraud Division
(202) 927-7023

Bernard Williams
Internal Affairs Division
(202) 927-7197

Office of Audit

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

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

Alan R. Duncan
Assistant Inspector General
Security and Information Technology Services
(202) 622-5894

Office Locations Spotlight

IRS Impersonation Scam Reporting button

Report Fraud, Waste, and Abuse button

Whistleblower Retaliation Reporting button

Contractor Fraud Reporting button

FOIA button

Search Site

Readers and Viewers
PDF | Word | Excel

Links to other sites
Treasury Supports Veterans logo

Last Updated: January 17, 2014
IRS Treasury eGov USAGov: U.S. Government Web Portal Regulations