Peter Chapman
Peter Chapman served as CEO, President, and Chairman of the Board at IonQ since May 2019, transitioning to the full CEO role in September 2021. During his tenure, he played a pivotal role in steering the company's direction and strategy, including leading IonQ to become the first publicly traded pure-play quantum computing systems company. Chapman stepped down as Executive Chairman and from the board in August 2025. Peter Chapman, as CEO of IonQ since May 2019, led the company to become the first publicly traded pure-play quantum computing company in October 2021. He previously served as Director of Engineering for Amazon Prime, contributing to the development and scaling of the service from September 2014 to May 2019. Under his leadership, IonQ has achieved significant technical milestones, including advancements in quantum computing hardware and accessibility through major cloud platforms. IonQ has also received recognition, such as being named to TIME's 100 Most Influential Companies list in 2022 and Forbes' 2025 list of America's Most Successful Mid-Cap Companies. These achievements underscore his commitment to IonQ's mission of building the world's best quantum computers to solve complex problems.
Career Milestones
- Served as CEO, President, and Chairman of the Board at IonQ from May 2019, transitioning to full CEO in September 2021 and stepping down in August 2025.
- Led IonQ to become the first publicly traded pure-play quantum computing company in October 2021.
- Previously served as Director of Engineering for Amazon Prime from September 2014 to May 2019, contributing to development and scaling.
- Oversaw significant technical milestones at IonQ, advancing quantum computing hardware and accessibility through cloud platforms.
- Guided IonQ to recognition on TIME's 100 Most Influential Companies list (2022) and Forbes' 2025 list of America's Most Successful Mid-Cap Companies.
About IonQ
IonQ, founded in 2015, is a quantum computing company specializing in trapped-ion technology. They develop quantum computers and software, offering access via cloud platforms like AWS, Azure, and Google Cloud. IonQ targets industries such as finance, AI, chemistry, and logistics, aiming to solve complex problems faster and more efficiently than classical computers. Their core features include high-fidelity qubits and scalability, with benefits like accelerated drug discovery and optimized supply chains.