Niccolo de Masi is the Chief Executive Officer of Ionq. Niccolo has held the CEO seat since February 2025, and was previously President, Products & Solutions, and Chief Innovation Officer at Resideo.
Current company
Ionq
Ionq is a quantum computing company based in College Park, MD, USA.
quantum computing industryHeadquartered in College ParkFounded 2015NYSE: IONQ
Source: WikipediaNiccolo de Masi joined IonQ in September 2021 and has been CEO since February 2025. Before Ionq, Niccolo was President, Products & Solutions, and Chief Innovation Officer at Resideo from February 2019 until March 2020.
Career
Sources: LinkedIn profile
Education
University of Cambridge, MSci, MA, PhysicsUniversity of CambridgeSource
40+ decision makers at Ionq in Unify, vice president level and above. Choose a function to see who leads it.
Top decision makers at Ionq
Vice president level and above, most senior firstNiccolo de Masi leads a leadership team of 5 published executives. The most recent appointment is Scott F. Millard as Chief Business Officer, in seat since November 2025.
Executive leadership
| Name | Title | In seat since |
|---|---|---|
| Niccolo de Masi (Niccolo M. de Masi) | Chairman, President and Chief Executive Officer | February 2025 |
| Inder M. Singh | Chief Financial Officer and Chief Operating Officer | September 2025 |
| Paul T. Dacier | Chief Administrative Officer, Chief Legal Officer and Corporate Secretary | July 2025 |
| Scott F. Millard | Chief Business Officer | November 2025 |
| Dean P. Acosta | Chief Corporate Affairs and Government Relations Officer | October 2025 |
Sources: Ionq 2026 DEF 14A
Niccolo de Masi is the Chief Executive Officer of Ionq. Niccolo has held the CEO seat since February 2025, and was previously President, Products & Solutions, and Chief Innovation Officer at Resideo.
Niccolo de Masi has been CEO of Ionq since February 2025, according to LinkedIn profile.
Niccolo de Masi was President, Products & Solutions, and Chief Innovation Officer at Resideo from February 2019 until March 2020, according to LinkedIn profile.
Niccolo de Masi has been CEO of Ionq for 1 year, since February 2025.
Inder M. Singh (Chief Financial Officer and Chief Operating Officer), Paul T. Dacier (Chief Administrative Officer, Chief Legal Officer and Corporate Secretary), Scott F. Millard (Chief Business Officer), Dean P. Acosta (Chief Corporate Affairs and Government Relations Officer). Source: Ionq 2026 DEF 14A.
The seat holder is identified in Unify's professional profile dataset, then confirmed against the company's published leadership page, its SEC filings, and Wikipedia before publication. Career and education rows carry the public document they were taken from. Leadership team membership follows the company's own leadership page; in-seat dates come from filings where available and otherwise from the profile record. Company figures are read from the Unify headcount page for the same company and are profile coverage measures, never company-reported workforce totals. The employee preview lists vice president and senior vice president level profiles by department. No personal contact details are published.
