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Thomas Harty is the CTO of IonQ, a pioneering company in the quantum computing industry. Bringing deep expertise in quantum computing to the role, Harty leads IonQ's technology vision and continues to position the company at the forefront of advancements in the field.
Who is the CTO of IonQ?
Thomas Harty is the CTO of IonQ, bringing a strong background in quantum computing to the company's leadership team. With expertise spanning atomic and laser physics, Harty has built a career at the cutting edge of quantum technology. Prior to joining IonQ, he co-founded Oxford Ionics, a quantum computing company, and served as a Guest Researcher at the National Institute of Standards and Technology, further deepening his experience in the field.
Work History
Thomas Harty's work history reflects a focused and distinguished career in quantum computing and research. Here is a summary of the roles he has held:
- IonQ - CTO (December 2025 to Present)
- Oxford Ionics - Co-Founder (December 2019 to January 2026)
- National Institute of Standards and Technology - Guest Researcher (October 2017 to January 2018)
Education History
Thomas Harty studied at the University of Oxford, where he pursued Atomic and Laser Physics. This rigorous academic foundation provided him with the scientific expertise that has driven his contributions to quantum computing throughout his career.
When did Thomas Harty join IonQ?
Thomas Harty assumed the role of CTO at IonQ in December 2025. Since taking on the position, he has brought his extensive background in quantum computing and atomic physics to bear on IonQ's mission to build the world's best quantum computers.


















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