OIG Executive Leadership

The OIG Business Functions Organizational Chart is also available as a downloadable PDF.  

  • Raymond Charles Winter, Inspector General
  • Susan Biles, Principal Deputy Inspector General
    • Communications
    • Government Relations
  • Kacy VerColen, Chief of Audit and Inspections
    • Anton Dutchover, Deputy Inspector General for Audit and Inspections
  • Eugenia Krieg, Chief of Staff, Chief of Policy and Performance
    • Tara Olah, Deputy Inspector General for Policy
    • Shari Holland, Deputy Inspector General for Performance and Cross-Functional Initiatives
  • Erik Cary, Chief Counsel
    • Christen Nedwick, Deputy Chief Counsel
    • Reynolds Brissenden, Deputy Inspector General for Complex Litigation
    • Office of Legal Counsel
    • Litigation
  • Diane Salisbury, Chief of Data Reviews
    • Jennifer Stansbury, Deputy Inspector General for Data Operations
    • Sonya Tao, Deputy Inspector General for Fraud Analytics
  • Matt Chaplin, Chief of Operations
    • Andreana Ledesma, Deputy Inspector General for Operations
    • Financial Recovery Management
  • Steve Johnson, Chief of Investigations and Utilization Reviews
    • Kelly Clark, Deputy Inspector General for Provider Investigations
    • Upton Mathers, Deputy Inspector General for Benefits Program Integrity
    • Chelsea Wallace, Deputy Inspector General, Surveillance Utilization Review
    • Special Investigations
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