IonQ (IONQ) announced on Wednesday that national security leader and technology advocate Katie Arrington will join its executive team as chief information officer (CIO), reporting to IonQ chief operating officer and chief financial officer Inder Singh, beginning January 19, 2026.
As CIO, Arrington will oversee the protection and modernization of IonQ’s global enterprise systems, safeguard digital assets and supply chains, and strengthen operational and cyber resilience across the company’s rapidly expanding footprint.
Most recently, Arrington performed the duties of the Department of War’s Chief Information Officer, advising the Secretary on enterprise information management; satellite, communications, and spectrum capabilities; cyber assurance; and space and emerging technology policy. Earlier, as Deputy CIO for Cybersecurity, she led defense-wide oversight of cyber strategy, governance, and compliance.
IonQ also announced that Leslie Kershaw, currently with IonQ Capella, will advance into a newly expanded role as chief information security officer (CISO), reporting to Arrington.
