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Mr. McCullough was most recently the Deputy Inspector General at the Office of the Director of National Intelligence (ODNI). Prior to coming to the ODNI, Mr. McCullough served as a member of the Defense Intelligence Senior Executive Service for eight years as the Assistant Inspector General for Investigations at the National Security Agency/Central Security Service (NSA/CSS) Office of Inspector General (OIG), where he oversaw internal investigations involving fraud, ethics, intelligence oversight and whistleblower reprisal matters.
Prior to joining the NSA/CSS OIG, Mr. McCullough served as the Senior Counsel for Law Enforcement and Intelligence in the Office of the General Counsel of the U.S. Treasury Department, providing legal advice on enforcement and national security matters to senior officials at the Under Secretary and Assistant Secretary levels. He was the Treasury Department’s lead counsel in the Enron and Moussaoui matters and played a key role in drafting the intelligence-sharing provisions of the USA PATRIOT ACT. While working at Treasury, he received a commendation for his service on detail to the White House, where he assisted with the establishment of the Department of Homeland Security.
Mr. McCullough came to the Treasury Department after a ten-year career in the Federal Bureau of Investigation (FBI), where he served as a Special Agent, Supervisory Special Agent, Associate Division Counsel, and Special Assistant United States Attorney. His work in the FBI included high-profile investigative and legal assignments in New York, Oklahoma, Pennsylvania, Washington, D.C. and West Virginia.
Mr. McCullough earned a Juris Doctor degree from the Dickinson School of Law of the Pennsylvania State University. He holds a Bachelor of Arts in Political Science from the University of Kentucky, where he graduated with High Distinction and was the President of Pi Sigma Alpha, a National Academic Honorary Society. Mr. McCullough is a member in good standing of the Pennsylvania State Bar.
Mr. McCullough and his wife, Kathalyn, reside in Crofton, Maryland, with their two children.
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