Assistant Inspector General for Investigations
Omar Pérez Aybar is the Assistant Inspector General for Investigations for the U.S. Small Business Administration (SBA), Office of Inspector General (OIG). Mr. Pérez Aybar is responsible for leading strategic oversight of nationwide investigative operations and proactive enforcement across SBA’s multi-billion-dollar portfolio of business development, loan, and disaster assistance programs.
Mr. Pérez Aybar has more than 28 years of federal law enforcement experience, with a focus on strategic leadership and data-driven investigative models. Prior to his current appointment in November 2026, he served as Special Advisor to the SBA Inspector General and as Acting Deputy Assistant Inspector General for Investigations.
Before joining the SBA OIG, Mr. Pérez Aybar was Director of International Programs and Engagement at the U.S. Department of Health and Human Services (HHS) OIG. In that role, he designed national protocols to protect HHS’s overseas grants and contracts portfolio. Before that, he served as Special Agent in Charge of the HHS OIG Miami Regional Office, where he led operations that secured 579 indictments, 419 convictions, and recovered more than $2.7 billion in recoveries. Earlier in his career, he served as a Special Agent in New York City, established HHS OIG’s field presence in Puerto Rico, and played a key role in scaling the multi-agency Health Care Fraud Strike Force nationwide.
Mr. Pérez Aybar holds a Bachelor of Science in Criminal Justice from John Jay College of Criminal Justice and a Master of Business Administration from the University of Phoenix. He is a Certified Inspector General (CIG) and a recipient of the Samuel J. Heyman Service to America Medal (SAMMIE).