Keynote Speaker
Katie Arrington
Former Department of War Chief Information Officer
Quantum Technology Evangelist
IonQ
As IonQ’s Quantum Technical Evangelist, Katie Arrington champions the adoption and integration of advanced quantum computing capabilities, bridging cutting-edge quantum technology with mission-critical government, defense, and enterprise needs. She previously served as IonQ’s Chief Information Officer (CIO), where she oversaw the protection and modernization of the company’s global enterprise systems, safeguarded digital assets and supply chains, and strengthened operational and cyber resilience across its expanding footprint. Her work at IonQ reflects a continued personal mission she has championed throughout her career—ensuring U.S. warfighters, government agencies, and industry have access to the world’s most advanced, secure technology.
Prior to joining IonQ, 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.
A former state legislator and a longtime member of the defense innovation ecosystem, Arrington began her federal service as the CISO for Acquisition & Sustainment, where she developed and implemented the Cybersecurity Maturity Model Certification (CMMC). She was also instrumental in bringing AI to COVID supply chain efforts. Her industry leadership includes senior roles with Exiger, Booz Allen Hamilton, Centuria Corporation, and Dispersive Networks—each focused on strengthening the defense industrial base, accelerating innovation, and protecting national security.