National Counterterrorism Center
Brett Holmgren
Brett M. Holmgren was appointed by the President as the acting Director of the National Counterterrorism Center (NCTC) effective July 18, 2024. NCTC is the United States Government’s primary organization responsible for integrating, analyzing, and sharing information to protect the United States from terrorism and achieve national counterterrorism objectives.
Prior to NCTC, Mr. Holmgren served for nearly three years as the U.S. Assistant Secretary of State for the Bureau of Intelligence and Research, one of the 18 U.S. intelligence agencies.
During the Obama administration, Mr. Holmgren served on the National Security Council staff as Special Assistant to the President and Senior Director for Intelligence Programs, Senior Policy Advisor to the Assistant to the President for Homeland Security and Counterterrorism, and Director for Counterterrorism. He also served at the Department of Defense as Special Assistant to the Deputy Secretary of Defense, where he was responsible for the intelligence, cybersecurity, technology and special operations portfolios.
Before returning to government service in 2021, Mr. Holmgren was an executive at Capital One Financial, where he oversaw the company’s technology risk management practice. He also served as Deputy for Nominations on the Biden-Harris Transition Team.
Mr. Holmgren began his career as a counterterrorism analyst at the Defense Intelligence Agency, and later as a senior analyst at the Central Intelligence Agency (CIA). As an analyst, he deployed to warzones to provide support to counterterrorism operations.
Mr. Holmgren is the recipient of multiple honors and awards, including the Director of National Intelligence Superior Service Award, the CIA Director’s Award, the CIA Hostile Action Service Medal, and the Secretary of Defense Meritorious Civilian Service Award.
He holds a B.A. in political science and journalism from the University of Wisconsin-Madison and a M.A. in global security studies, summa cum laude, from the Johns Hopkins University.
Any suspected criminal or terrorist activity should be reported to the Federal Bureau of Investigation (FBI).
These links are provided subject to the ODNI privacy policy. By accessing these websites, you are leaving the NCTC website and your communications are no longer covered by the NCTC privacy policy.
Email Us
For general questions email us at This email address is being protected from spambots. You need JavaScript enabled to view it.
Mailing Address
National Counterterrorism Center
Washington, DC 20511
Celia Durall
Celia Durall started as the National Counterterrorism Center (NCTC) Executive Director on October 24, 2022. She previously served as the Chief, Senior Executive Management Office. In that role, Ms. Durall led the delivery of strategic level executive management support to all executives at ODNI.
In 2021, Ms. Durall was selected as Acting Chief of the IC Diversity, Equity and Inclusion Office. After standing up this new office, she served as the principal advisor to the Director and Principal Deputy Director of National Intelligence on diversity, equity and inclusion. She synchronized and advanced diversity, equity and inclusion activities, policies and programs across the IC, bringing transparency to these initiatives. Previously, Ms. Durall was appointed as Deputy Assistant Director of National Intelligence for IC Human Capital, where she led the design, development and execution of human resources strategies, plans and policies in support of the men and women who serve in our nation’s intelligence agencies. She was also the first Chief, Intelligence Workforce Development Section at the Federal Bureau of Investigation.
At FBI and in other leadership roles at DIA and ODNI, Ms. Durall has been known as a groundbreaking leader and innovator who enables institutional change and promotes community building to enhance organizational adaptability in a complex and rapidly changing national security environment.
Ms. Durall started her intelligence career as a linguist and then transitioned into the analytic career field at DIA. She earned a Master of Arts in International Trade from George Mason University, a Paralegal Certificate in International Trade Law from the American University in Paris and a Bachelor of Arts in French Language and Civilization with a concentration in Business from the University of Maryland. After 15 years in federal service, she spent several years at a behavioral social science firm working with tools to capture and catalyze organizational effectiveness and individual development. She is an ICF certified leadership coach committed to developing great leaders. Ms. Durall has over 30 years of broad experience in intelligence, organizational development and human capital. She and her husband, Brian, raised two children in Montgomery County, Maryland.
Don Holstead
Don M. Holstead joined NCTC as its Deputy Director in March 2024. Prior to that, he spent 20 years at FBI, most recently serving as Deputy Assistant Director of its Counterterrorism Division. He has diverse counterterrorism experience against ISIS, al-Qa’ida, and Iran; has established and enhanced partnerships with State, Local, Tribal, and Territorial elements; and has managed processes to use bulk data to score the risk threat actors pose.
Mr. Holstead joined the FBI as a special agent in 2004, and rose in the ranks to serve in numerous leadership positions there, including Deputy Director for Law Enforcement to the Joint Special Operations Command Interagency Task Force; National Capitol Region and Assistant Section Chief; Section Chief of the Target Discovery Section of the Counterterrorism Intelligence Branch; and National Security Assistant Special Agent in Charge with oversight of all cyber, counterterrorism, counterintelligence, and weapons of mass destruction programs in Denver’s National Security Branch. He was also selected to stand up a new section in the FBI's Counterterrorism Division, designated the Special Threats Section, to address threats posed by state sponsors and complex threat networks. As a member of San Antonio Division’s Crisis Negotiator Team, he deployed to Afghanistan in support of efforts to recover American hostages held by Foreign Terrorist Organizations.
Prior to his federal service, he spent more than a decade in Special Operations in the U.S. Army. He has a Master’s of Business Organizational Leadership from George Washington University.