The mission of the U.S. Postal Inspection Service is to support and protect the U.S. Postal Service® and its employees, infrastructure, and customers; enforce the laws that defend the nation’s mail system from illegal or dangerous use; and ensure public trust in mail.

Chief Barksdale Picture

Gary R. Barksdale

Gary R. Barksdale was appointed Chief Postal Inspector for the U.S. Postal Inspection Service in March 2019. In this role, he oversees all operations of the Postal Inspection Service, which includes its National Headquarters, 16 field divisions, two service centers, and a national forensic laboratory. Chief Barksdale is also the chairman of the Universal Postal Union’s Postal Security Group. He reports to the Postmaster General.

Prior to his appointment as Chief, Barksdale served three years as Deputy Chief Inspector at National Headquarters. He was responsible for several of the Postal Inspection Service’s functional areas, including Criminal Investigations; Communications, Governance and Strategy; and Security. He is a Certified Protection Professional (CPP®), considered worldwide as the “gold standard” certification for security management professionals.

Also during his time as Deputy Chief Inspector, Barksdale led the Postal Inspection Service fight against the nation’s opioid epidemic through the newly formed Contraband Interdiction and Investigations Group (CI2), which drives agency strategies to enhance drug interdictions. He was also instrumental in leading the Postal Inspection Service’s strategic planning, managing its responses to critical incidents, and representing the agency before Congress.

Chief Barksdale began his law enforcement career as a police officer in Chesapeake, Virginia, where he served for seven years, including four years as a detective. In 1999, Barksdale was appointed as a United States Postal Inspector. Since then, he has served in the Los Angeles, Houston, Phoenix, and Washington Divisions, as well as at National Headquarters. During his tenure as a Postal Inspector, he conducted numerous criminal investigations of identity theft, mail theft, robbery, and assaults. Barksdale has also held several executive leadership positions within the Postal Inspection Service.

Chief Barksdale received a Bachelor of Science from Old Dominion University. He is a member of the International Association of Chiefs of Police (IACP) and the International Association of Financial Crimes Investigators(IAFCI).

As the primary law enforcement arm of the United States Postal Service, the U.S. Postal Inspection Service is a highly specialized, professional organization performing investigative and security functions essential to a stable and sound postal system.


    Craig Goldber PictureCraig Goldberg
    Analytics, and Investigations

    Craig Goldberg was named Deputy Chief Inspector, Headquarters in March 2020. As Deputy Chief, Goldberg is responsible for the Cyber and National Security, Contraband Interdiction & Investigations, Criminal Investigations, and Analytics Headquarters Groups. Prior to his appointment, Inspector Goldberg served at NHQ as Acting Deputy Chief Inspector of Eastern Field Operations, where he had strategic and operational management of eight field Divisions.

    DCI Goldberg joined the Postal Service in 2004; serving all of his years in federal law enforcement as a Postal Inspector. DCI Goldberg came to Headquarters after performing as Inspector in Charge over the Chicago Division and Denver Division.  He earned his Bachelor of Science Degree in Business Administration from Bucknell University with a major in Accounting.


    Peter R. Rendina PicturePETER R. RENDINA

    As Deputy Chief Inspector – Security and Crime Prevention, Peter R. Rendina is responsible for the Communications, Governance, and Strategy Group; the Domestic and Global Security Headquarters Group, the Career Development Unit, and the Forensic Laboratory Services. Inspector Rendina was promoted to the role of Inspector in Charge for the National Headquarters Communications, Governance & Strategy Group in 2016, and led the teams performing business analytics, governance, strategic planning, government relations and public affairs. He was selected for the position of Inspector in Charge of Washington Field Division in 2018, where he oversaw the daily operations of 187 personnel throughout the Washington D.C. area. Inspector Rendina began serving as Acting Deputy Chief Inspector – Headquarters in July 2021 and was named Deputy Chief Inspector in February 2022.

    Inspector Rendina began his career with the U.S. Postal Service in 1993 as a letter carrier and held various technical and managerial positions until he was appointed as a Postal Inspector in 2002. Inspector Rendina received his Bachelor of Arts in Public Relations degree from Susquehanna University.


    Robert Wemyss PictureRobert B. Wemyss
    Eastern Field Operations

    Deputy Chief Robert Wemyss started his Postal Inspection Service career in 1999, as a new Postal Inspector assigned to the Stockton, CA domicile. He was promoted to Deputy Chief Inspector, Western Field Operations in July 2018, and reassigned to oversee the Eastern Field Operations in March 2020. In his current position, DCI Wemyss is responsible for the strategic and operational management of eight field divisions.

    Prior to his executive promotion to Deputy Chief, Wemyss served as the Inspector in Charge for the Houston, Los Angeles and Washington Divisions. DCI Wemyss earned his Bachelor of Science Degree in Criminal Justice from Old Dominion University.


    Rafael Nunez PictureDELANY DE LÉON-COLÓN
    Eastern Field Operations

    Acting Chief Deputy Inspector Delany De Léon-Colón was detailed into her current position in June 2023. As acting DCI, De Léon-Colón is responsible for the strategic and operational management of eight eastern field divisions of the Postal Inspection Service. Prior to her detail as deputy chief, De Léon-Colón served as the inspector in charge over the Career Development Unit, where she oversaw the functions of the national training academy, which includes basic training for postal inspectors and postal police officers, in-service training for organization personnel, elements of the hiring process, and leadership development.

    Acting DCI De Léon-Colón started her Postal Inspection Service career in 2004 as a Postal Inspector assigned to the San Juan, PR domicile. She received the executive appointment to inspector in charge over the Criminal Investigations Group in 2018. Acting DCI De Léon-Colón holds a Bachelor of Arts in Criminal Justice with a minor in Psychology from Interamerican University of Puerto Rico.


    Louis DiRienzo PictureLouis DiRienzo
    Office of Counsel

    Louis J. DiRienzo was selected as Chief Counsel for the U.S. Postal Inspection Service in April 2021. In this role he oversees the agency’s Office of Counsel and provides legal counsel to the agency’s senior management. He was named Deputy Chief Counsel in March 2018. Prior to joining the Office of Counsel, Inspector DiRienzo served in a number of roles with the Inspection Service to include managing the Inspection Service’s Prohibited Mail-Narcotics Program and being embedded as an investigator with the Fraud Section in the Department of Justice’s Criminal Division.

    Inspector DiRienzo was appointed as a Postal Inspector in 2003. Prior to joining the Inspection Service, he was a Sergeant with the Lancaster, Pennsylvania Bureau of Police. Inspector DiRienzo received a Bachelor of Science from the Pennsylvania State University and a Juris Doctor from Widener University. He is a U.S. Army combat veteran, having served with the 82d Airborne Division.


    PATRICIA MANZOLILLO PicturePatricia Manzolillo
    Business Operations

    Patricia Manzolillo was named Director, Business Operations by Chief Postal Inspector Gary Barksdale in June 2023. In this position, Patricia is responsible for the strategic and operational management of the business operations of the United States Postal Inspection Service, to include finance, human resources, administrative processes, medical services, and the Security Investigations Service Center, to effectively achieve the Inspection Service mission of “protect, prevent, enforce, and prepare.” Prior to this role, Ms. Manzolillo served as the laboratory director for the Postal Inspection Service’s Forensic Laboratory Services.

    Ms. Manzolillo began her affiliation with USPS in 1988, working as a casual employee in the Scarsdale Post Office. She joined the Inspection Service in 1996 as a forensic document examiner in the Memphis Forensic Laboratory and was promoted to assistant laboratory director, National Forensic Laboratory in 2003. Ms. Manzolillo was appointed to the executive level as laboratory director in January 2009 and was responsible for all forensic services supporting Inspection Service investigations. Ms. Manzolillo received a Bachelor of Arts in History from the University of Chicago and a Master of Science in Forensic Science from the University of Alabama at Birmingham.

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