Executive management

Niccolo de Masi is an experienced public company chief executive officer and board member with expertise in deep tech, mobile, and creating enterprise software-hardware ecosystems. Today he is IonQ’s CEO, and serves on its Board nominating and governing and audit committee since sponsoring its IPO in 2020.

He has served on the Board of 14 public companies including IonQ (NYSE: IONQ), Xura (NASDAQ: MESG), Glu (NASDAQ: GLUU), Monstermob (LSE: MOB), Rush Street Interactive (NYSE: RSI), Genius Sports Group (NYSE: GENI), Resideo (NYSE: REZI) and Planet (NYSE: PL). He has also served on the board of six dMY Technology Group’s blank cheque vehicles. de Masi has extensive global market experience having been a public company CEO three times, and a private company CEO three times. He has immense public market corporate governance experience having chaired or served on compensation, audit, and nominating and governing committees for over a decade.

Over the course of his career, de Masi has helped lead and consummate approximately 50 mergers and acquisitions and has helped raise approximately $4 billion in equity to support public and private companies he has led. de Masi was appointed Chief Executive Officer of Glu and of Monstermob before the age of 30. He began his career in roles at JPMorgan, Siemens and Technicolor.

He has also served on several private Boards including Chairing Carlyle-backed Jagex and General Catalyst-backed Ares Interactive. He has been a member of the Leadership Council of the UCLA Grand Challenge for nearly a decade. de Masi received first class B.A. and M.Sci degrees in physics from Cambridge University where he specialized in quantum mechanics and next generation electron beam lithography.

Thomas Kramer is the Chief Financial Officer at IonQ. Mr. Kramer is an experienced Chief Financial Officer with an extensive background leading companies through rapid growth. At IonQ, Mr. Kramer focuses on commercializing our infrastructure and managing the company's relationships with investors and the public markets. He sits on the boards of PerfectServe, Peak Dental Systems, and MindsMatter DC. Previously, Mr. Kramer was the CFO of Opower, where he guided the company through its initial public offering and its sale later to Oracle; and co-founder and CFO of Cvent, where he took the company from zero revenue through the largest private software financing in the United States at that time. Mr. Kramer has served as IonQ’s Chief Financial Officer since February 2021.

Rima Alameddine has served as our Chief Revenue Officer since December 2022. Before that, Ms. Alameddine was at Nvidia for almost 7 years. At Nvidia, she built the sales business for the Eastern half of the United States from scratch and then became the Vice President of Enterprise Sales for the Americas across multiple industries. Prior to that she was at Cisco for 18 years in a variety of engineering and sales leadership roles, including Director of Financial Services sales and Director of New York Enterprise sales. Ms. Alameddine holds an M.S. in Computer Engineering from Syracuse University and a B.S. in Computer and Communication Engineering from the American University of Beirut.

Jordan Shapiro is the President and General Manager, Quantum Networking at IonQ. Previously, he served as IonQ's Vice President Financial Planning & Analysis, Corporate Development and Investor Relations. Prior to joining IonQ, Jordan was a technology investor at NEA, one of the world's largest and most active venture capital firms, where he invested in and collaborated with the teams of IonQ, Tempus (NASDAQ: TEM), Sprout Social (NASDAQ: SPT), Onshape (acq. NASDAQ: PTC), and Catalytic (acq. NYSE: PD), among others.

Jordan graduated with a master's degree in Global Affairs from Tsinghua University, where he was a Schwarzman Scholar in the inaugural class. Jordan received his B.S. in Bioengineering and M.S. in Management Science & Engineering from Stanford University, where he was a Mayfield Fellow, Class President, and Convocation Speaker.

Tom Jones joined IonQ in July of 2021 as its first Chief People Officer. Mr. Jones began his career leading HR for startup tech and manufacturing companies before ultimately being acquired by Honeywell. He then joined Microsoft’s global M&A team where he led numerous acquisitions and integrations across all of Microsoft’s business divisions. Mr. Jones eventually left M&A moving in business HR management roles with a highlight being leading HR for Microsoft’s global datacenter infrastructure business during its transition to the cloud. More recently, Mr. Jones served as VP of Human Resources at Jeff Bezos’ aerospace company, Blue Origin, where he also held a US Top Secret/SCI security clearance. Mr. Jones received two undergraduate degrees in Business Administration and Psychology and an MBA from the University of Washington.

Margaret is an accomplished professional with over 25 years of operations, strategy, and marketing experience in the enterprise software and hardware industry.

She spent 20 years at Microsoft in positions of increasing responsibility leading business strategy, product planning, and product marketing in the global Windows, Security, and Cloud & Enterprise business groups.

In her last position at Microsoft, she was responsible for leading the multi-billion-dollar US Microsoft Windows business. She was also tasked with launching the Microsoft Surface hardware business in the US and growing it to over $1B in revenue.

Following her career at Microsoft, Margaret was appointed to the position of Chief Marketing Officer at Outreach, a SaaS startup with a $4.4B valuation, where she led the organization’s marketing department across demand generation, product marketing, brand, PR, and analyst relations. Her team helped establish the SaaS sales engagement category and won the 2020 Forrester Wave Sales Engagement leader ranking with the highest score. Margaret was most recently at Fastly – a publicly-traded network services, security, and edge cloud platform company as their Chief Marketing Officer driving all aspects of marketing. 

Margaret earned a Bachelor of Science in Applied Economics degree from The Wharton School at the University of Pennsylvania and an MBA from the Kellogg School of Management.

Ariel Braunstein is IonQ’s SVP of Product. As an experienced entrepreneur, Ariel brings extensive experience across diverse roles and technology areas, ranging from early startups to Fortune 100 corporations. Most recently, Ariel led Google’s Augmented Reality initiatives and prominent video technologies at YouTube. Prior to that, Ariel co-founded Pure Digital Technologies, which brought to market one of the most successful consumer electronics devices of its era - the Flip Video camcorder. Flip Video became a social phenomenon, selling over 7MM units in under four years, generating over $1B in revenue, and winning IDSA’s (2010) Design of the Decade Award. In 2009, Cisco acquired Pure Digital Technologies, and as part of the acquisition, Ariel became Cisco’s Head of Product for the newly founded consumer business, spearheading an $800MM product portfolio, including Flip, Linksys, and Pure Networks.

Dean Kassmann is SVP of Engineering & Technology at IonQ. Prior to joining IonQ, Dr. Kassmann was Senior Director of Advanced Technology for Blue Origin where he established and led the team responsible for company-wide applied research in support of Blue Origin’s launch vehicle, engines, and in-space product lines. He has over 25 years of leadership in software, hardware, and technology development. Dr. Kassmann has contributed to a variety of technology areas across his career, including traditional chemical engineering, supply chain planning and optimization, rockets, and space research. After getting his Ph.D. in Chemical Engineering, Dr. Kassmann joined Aspen Technology where he created the modeling tools, advanced control algorithms, and planning engines used for real-time operations in refineries, chemical plants, and pharmaceutical manufacturing. At Amazon, he invented the autonomous system that manages order fulfillment flow across Amazon's supply chain. At Blue Origin he grew and led many teams, and was part of the small team that developed the first series of New Shepard rockets that successfully performed the first powered, vertical soft landing from space. He later ran the Flight Sciences organization which developed the initial architecture for the orbital New Glenn rocket. Dr. Kassman went on to establish the first dedicated research and development team within Blue Origin. In that role, he led technology development from early idea generation to fielded capabilities across many different disciplines for Blue’s current and future products. At IonQ, Dr. Kassmann is responsible for all hardware and software development for IonQ’s quantum computers. He oversees hardware development from ions out to enclosures, and software development from cloud down to firmware. He leads the development lifecycle from concept through first and second engineering unit delivery, including the hand-off to manufacturing and production.

Dave Mehuys joined IonQ in March of 2022 as its first VP of Production Engineering, where he is responsible for Manufacturing and Facilities operations. Dr. Mehuys has served in a variety of Engineering and Operations roles in his career, developing and commercializing semiconductor lasers and laser-based sub-systems for Optical Communications and Scientific markets. At quantum computing company PsiQuantum, he was responsible for leading Systems Engineering. At optical networking provider Infinera, he led Systems Manufacturing, Customer Service & Technical Support teams, and Hardware Engineering over an 18-year period. At laser and sub-system supplier SDL, he developed and commercialized high-power single-mode semiconductor lasers, fiber lasers, and Raman/EDFA amplifiers over a 13-year period. Dr. Mehuys holds Masters and Ph.D. degrees from the California Institute of Technology, and an undergraduate degree in Engineering Science from the University of Toronto.

Peter Chapman is the Executive Chair & Chairman of the Board of IonQ, having previously served as President & CEO. Prior to joining IonQ, Mr. Chapman was Director of Engineering for Amazon Prime, where he led the team responsible for Prime’s 2-Day delivery. He has over 40 years of leadership in software engineering, including alongside luminaries like Marvin Minsky and Ray Kurzweil. Mr. Chapman is credited with inventing the original sound card for computers, writing the software the Federal Aviation Administration used to prevent mid-air collisions, and developing systems that protect the integrity of financial markets. Mr. Chapman has founded and led several companies to successful exits.

Christopher Monroe is a co-Founder of IonQ. He is also the Gilhuly Family Presidential Distinguished Professor of Electrical and Computer Engineering and Physics at Duke University. Monroe has pioneered nearly all aspects of trapped ion quantum computers and simulators, from demonstrations of the first quantum gate, monolithic semiconductor-chip ion trap, and photonic interconnects between physically separated qubits; to the design, fabrication, and use of full-stack ion trap quantum computer systems in both university and industrial settings. He is a key architect of the US National Quantum Initiative, a Fellow of the American Physical Society, Optical Society of America, the UK Institute of Physics, the American Association for the Advancement of Science, and is a member of the National Academy of Sciences.

For over 26 years, Paul was the General Counsel of EMC Corporation. He served under 3 CEOs and was instrumental in driving significant growth -- revenues grew from $170M in 1990 to $24.7B in 2016, employees grew from 750 to 68,000 and the company's market cap grew to $55B. During his tenure, EMC became the world’s largest enterprise storage company and later transformed into a diversified technology company through the acquisition of over 40 companies, including VMware.

In 2013, he was the first general counsel to serve as President of the Boston Bar Association in its 223-year history. From 2017 to 2023, Paul was the general counsel of a mid stage startup company in Boston, Massachusetts. From 2024 until recently, Paul has been a Partner at Quinn Emanuel Urquhart & Sullivan, the world’s largest litigation firm with over 1,300 lawyers.

Paul is Chairman of the Board of AerCap Holdings, N.V., (NYSE:AER) the world’s largest commercial aircraft leasing company. He is also a member of the Board of Directors of Progress Software (NASDAQ: PRGS) and Chairman of the Nominating and Corporate Governance Committee. Under Massachusetts Governor Charlie Baker, Paul was Chairman of the Judicial Nominating Commission and Co-Chair of the Supreme Judicial Court Nominating Commission.