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IonQ, a leader in quantum computing and networking, announced on July 14, 2025, the appointment of Paul T. Dacier as Chief Legal Officer and Corporate Secretary, effective immediately. Dacier succeeds Stacey Giamalis, who will stay on as an advisor for up to 90 days to ensure a smooth transition. With over 35 years of legal experience, Dacier brings deep expertise to support IonQ’s growth in the quantum technology sector.
IonQ appoints Paul T. Dacier as Chief Legal Officer on July 14, 2025.
Dacier brings 25+ years of experience from EMC Corporation.
Succeeds Stacey Giamalis, who will advise for up to 90 days.
Dacier is Chairman at AerCap Holdings and serves on Progress Software’s board.
Appointment supports IonQ’s quantum computing and networking expansion.
IonQ’s stock closed at $42.655 on July 14, 2025.
Paul T. Dacier joins IonQ from Quinn Emanuel Urquhart & Sullivan, LLP, where he advised C-level executives and boards on complex business and legal matters. Previously, he served as General Counsel at EMC Corporation for over 25 years, overseeing global legal affairs during a period of significant growth, with revenues rising from $170 million to $24.7 billion. “I am excited to join IonQ at this significant moment for both the company and the quantum industry,” said Dacier.
“We are thrilled to welcome Paul to IonQ,” said Niccolo de Masi, CEO of IonQ. “Paul has an incredible track record of counseling technology companies during periods of significant growth, both organically and through sizeable acquisitions.” Dacier’s experience is expected to strengthen IonQ’s legal strategy as it scales its quantum computing, networking, and applications business, driving value for customers and shareholders.
Stacey Giamalis, the outgoing Chief Legal Officer, will remain in an advisory role to facilitate a seamless transition. “I would also like to express my sincere thanks to Stacey for her many contributions to IonQ throughout her tenure,” de Masi added. Giamalis’s prior work included navigating IonQ through complex legal landscapes, including intellectual property and regulatory compliance.
IonQ, with a market capitalization of $11.83 billion and a stock price of $42.655 as of July 14, 2025, continues to lead in quantum computing innovation. The company’s IonQ Forte and Forte Enterprise systems deliver high-performance solutions for customers like Amazon Web Services and NVIDIA. Dacier’s appointment aligns with IonQ’s strategy to capitalize on its recent momentum, including the opening of the first dedicated quantum computing manufacturing facility in the U.S.
Paul T. Dacier’s appointment as Chief Legal Officer positions IonQ to navigate the complexities of the quantum computing industry with confidence. His proven expertise and leadership will support the company’s ambitious growth plans, reinforcing its role as a pioneer in delivering transformative quantum solutions.
IonQ, Inc. is a leading commercial quantum computing, quantum networking, and quantum applications company, delivering high-performance systems aimed at solving the world’s most complex problems. IonQ’s current generation quantum computers, IonQ Forte and IonQ Forte Enterprise, are the latest in a line of cutting-edge systems that have been helping customers and partners such as Amazon Web Services, AstraZeneca and NVIDIA achieve 20x performance results. The company is accelerating its technology roadmap and intends to deliver the world’s most powerful quantum computers with 2M qubits by 2030 to accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity and defense. IonQ’s advancements in quantum networking also positions the company as a leader in building the quantum internet.
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