Office of Inspector General
Office of Investigations
William H. Tebbe
Assistant Inspector General For Investigations
Phone:
(312) 751-4350
Fax: (312) 751-4342
Email: wtebbe@oig.rrb.gov
The Office of Investigations (OI) conducts investigations
throughout the United States in response to complaints or
allegations regarding violations of Federal law. Special
agents identify and investigate cases of waste, fraud and abuse in
agency programs and operations, and refer cases for prosecution and
monetary recovery action.
Criminal investigations may involve:
- Fraudulent receipt of retirement, disability, sickness or
unemployment or RRB Medicare benefits by annuitants or railroad workers
- Conspiracy to defraud RRB benefit programs
- False reporting by railroad employers
- Criminal violations by agency personnel
OI Special Agents also conduct administrative investigations
involving misconduct or violations of ethical standards and
prohibited personnel practices by RRB personnel.
OI maintains two field offices, one in the agency's
headquarters in Chicago, IL and one in Philadelphia, PA.
OI Chicago Field Office
844 North Rush Street, 4th Floor
Chicago, IL 60611-2092
Phone:
(312) 751-4350
Fax: (312) 751-4342
OI Philadelphia Field Office
Nix Federal Office Building, Suite 600
9th and Market Streets
Philadelphia, PA 19107
Phone:
(215) 597-3345
Fax: (215) 597-3355
Biography - William H. Tebbe
William Tebbe was appointed Assistant Inspector General for
Investigations in 1996. In this capacity, Mr. Tebbe has served on a
number of working groups and committees under the President’s
Council for Integrity and Efficiency (PCIE). In 2002 he received a
PCIE Award for Excellence recognizing his leadership and efforts in
developing a process to reconcile investigative statistical
accomplishment information for the federal Inspector General
community. (The Inspector General Reform Act of 2008 changed the
PCIE to the Council of Inspectors General on Integrity and
Efficiency (CIGIE)). Mr. Tebbe has over 35 years of federal law enforcement
experience and possesses a Bachelor’s degree in accounting.
