Skip to page navigation
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

OPM.gov / Our Inspector General / Organization / Staff Biographies /
Skip to main content

Staff Biographies

  • Krista A. Boyd

    Inspector General

    Blank avatar

    Krista A. Boyd was nominated by President Joe Biden to serve as the second Inspector General of OPM. She was confirmed by the Senate in April, 2022.View Bio

  • Norbert E. Vint

    Deputy Inspector General

    Image of Norbert E. Vint

    Norbert E. Vint was appointed as the Deputy Inspector General of the U.S. Office of Personnel Management in July 2006. In that role, Mr. Vint is responsible for the day-to-day operations...View Bio

  • Michael R. Esser

    Assistant Inspector General for Audits

    Photo of Michael R. Esser

    Michael R. Esser was appointed Assistant Inspector General for Audits in April 2006. Mr. Esser is responsible for overseeing the Office of Audits in conducting audits and special reviews...View Bio

  • Melissa D. Brown

    Deputy Assistant Inspector General for Audits

    Photo of Melissa D. Brown

    Melissa D. Brown was appointed Deputy Assistant Inspector General for Audits in July 2011. Ms. Brown is part of the senior management team responsible for overseeing the Office of Audits...View Bio

  • Lewis F. Parker

    Deputy Assistant Inspector General for Audits

    Lewis F. Parker was appointed Deputy Assistant Inspector General for Audits and to the Senior Executive Service in June 2013. Mr. Parker along with Melissa Brown are part of senior management team...View Bio

  • William W. Scott, Jr

    Chief for Evaluations and Inspections

    Blank avatar

    William W. Scott Jr. is the Chief of the Office of Evaluations (OE) within the U.S. Office of Personnel Management (OPM) Office of the Inspector General. Mr. Scott was selected for this position...View Bio

  • Drew M. Grimm

    Assistant Inspector General for Investigations

    Blank avatar

    Drew M. Grimm was appointed Assistant Inspector General for Investigations in July 2017. In this role, Mr. Grimm oversees a nationwide staff dedicated to the investigation...View Bio

  • Conrad J. Quarles

    Deputy Assistant Inspector General for Investigations

    Blank avatar

    Conrad J. Quarles was appointed Deputy Assistant Inspector General for Investigations and to the Senior Executive Service in November 2021. In this role, he is a part of the senior management team...View Bio

  • Paul N. St. HIllaire

    Assistant Inspector General for Legal and Legislative Affairs

    Paul N. St. Hillaire was appointed Assistant Inspector General for Legal and Legislative Affairs (AIGL) in October 2019. He is responsible for overseeing the Office of Legal and Legislative Affairs...View Bio

  • Nicholas E. Hoyle

    Assistant Inspector General for Management

    Blank avatar

    Nicholas E. Hoyle was appointed Assistant Inspector General for Management (AIGM) in February 2022. He is part of the management team responsible for directing the areas of information technology...View Bio

  • Robin A. Thottungal

    Deputy Assistant Inspector General for Management and Chief Information Officer

    Seal of the Inspector General U.S. Office of Personnel Management.

    Robin A Thottungal was appointed as the Chief Information Technology Officer and to the Senior Executive Service in August 2021. He is a part of the management team responsible for providing...View Bio

Control Panel