Thomas Harrington

Mr. Harrington served as a Managing Director and Chief Information Security Officer for Citi between 2012 and 2018. He was responsible for expanding global cybersecurity initiatives focused on protecting Citi and its 200 million clients and customers. He led a transformation effort to install an intelligence led, threat focused approach to information security at Citi. His effort included the creation of a network of Cyber Security Fusion Centers in New York, Budapest and Singapore built on the principals of a “Team of Teams” approach, with centralized command and control responsibilities. Mr. Harrington expanded the crisis management program to include a global cyber war gaming initiative, complemented by the expansion and operationalization of crisis management playbooks, team preparation and the development of business leaders capable of responding to real world challenges.


Prior to joining Citi, Mr. Harrington served as the Associate Deputy Director of the FBI. At the time he retired from the FBI he had served over 30 years with the US Government. He served in multiple leadership positions at the FBI to include national security, counterterrorism, criminal, cyber, intelligence and field office operations. His leadership was recognized with his receipt of the FBI’s Medal for Meritorious Achievement. He was also recognized with two Presidential Rank Awards; President Bush awarded him the Presidential Rank Award of Distinguished Executive for his counterterrorism efforts and President Obama awarded him the Presidential Rank Award of Meritorious Executive for his work on the FBI’s intelligence and business transformation efforts.