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Mr. Iannotti has been Chairman of the Board of Directors since October 2023. Mr. Iannotti served as Senior Vice President and General Manager, Enterprise Services, for Hewlett-Packard Company, a technology solutions provider to consumers, businesses and institutions globally, from 2009 until his retirement in 2011. Prior to that role, Mr. Iannotti held various executive positions at Hewlett-Packard, including Senior Vice President and Managing Director, Enterprise Business Group, Americas. Mr. Iannotti also worked at Digital Equipment Corporation, a vendor of computer systems and software, and at Compaq Computer Corporation, a supplier of personal computing systems, following its acquisition of Digital Equipment Corporation. Mr. Iannotti has served as Chairman of the Board of Applied Materials (NASDAQ: AMAT), a multi-billion publicly traded company that produces semiconductor fabrication equipment, since 2005, and previously served as Chairman of the Board of Atento S.A.

Mr. Clifton has served as a member of the Board of Directors since March 2022. Mr. Clifton currently serves as a Partner at Falfurrias Management Partners, where he helps lead Falfurrias Growth Partners, a technology-focused private equity fund, a position he has held since September 2022. He served as a director and Chief Financial Officer of Supernova Partners Acquisition Company III Ltd. from March 2021 until March 2023 and April 2023, respectively; as a director and Chief Financial Officer of Supernova Partners Acquisition Company II, Ltd. from October 2020 until March 2022; and Chief Financial Officer of Supernova Partners Acquisition Company, Inc. from September 2020 until March 2021. Prior to that he was a senior investment professional at The Carlyle Group from 2010 to September 2020 as a member of its flagship U.S. Buyout team where he helped lead Carlyle’s investing activities in the technology and business services sectors. During his tenure with Carlyle, he worked on transactions involving companies in multiple sectors, including semiconductors. He has served on more than a dozen public and private boards. Over his career, Mr. Clifton has been involved in several leveraged buyouts (including taking public companies private), growth investments, and carve-outs. Additionally, Mr. Clifton has substantial public market experience and has helped lead the public and follow-on offerings for several companies. Prior to joining Carlyle, Mr. Clifton worked at two middle market private equity firms, as well as in the M&A group of Bank of America Securities. He earned a Bachelor of Arts, cum laude, in classics from Davidson College, and an MBA with High Distinction from the Harvard Business School where he was a Baker Scholar.

Dr. Fitzgerald has served as a member of the Board of Directors since March 2022 and previously served as a member of the Legacy Rigetti Board of Directors from April 2018 until the consummation of the Business Combination. She has also served as the Chief Executive Officer and Managing Member of A.M. Fitzgerald & Associates, LLC, a product development firm for micro electromechanical systems (MEMS) and silicon-based technologies since 2003. She had previously worked in engineering or management positions at several technology companies, including Orbital Sciences Corporation and the Jet Propulsion Laboratory. She served as a member of the SEMI MEMS Standards Committee from 2015 to 2025, on the Board of Directors of Transducer Research Foundation from 2016 to 2024 and on the Board of Directors for the MEMS Industry Group (MIG) from 2008 to 2014. Dr. Fitzgerald received a Ph.D. in aeronautics and astronautics from Stanford University and an M.S. and B.S. in aeronautics and astronautics from the Massachusetts Institute of Technology.

Dr. Johnson has served as a member of the Board of Directors since March 2022 and previously served as a member of the Legacy Rigetti Board of Directors from August 2019 until the consummation of the Business Combination. He has served as Operating Partner at Bessemer Venture Partners since July 2020, after joining Bessemer Venture Partners as an Executive In Residence in June 2015, and also served as Chief Executive Officer of the Technology Innovation Institute from August 2021 to May 2024. Prior to that, Dr. Johnson served as Senior Vice President and Chief Technology Officer of the Lockheed Martin Corporation from July 2006 to February 2015. He also served as Senior Vice President and Chief Operating Officer of Modern Technology Solutions, Inc. from June 2005 to July 2006 and as Senior Vice President and Business Unit General Manager at SAIC from January 1996 to June 2005. Dr. Johnson received a B.S. in electrical engineering from Oklahoma State University and a PhD. and M.S. in electrical engineering from the U.S. Air Force Institute of Technology.

Dr. Kulkarni has served as President and Chief Executive Officer at Rigetti since December 2022. Dr. Kulkarni is a seasoned public company CEO with thirty-plus years of experience in the semiconductor industry and a track record of success in scaling and commercializing cutting-edge technologies. Prior to joining Rigetti, Dr. Kulkarni was President, CEO, and member of the Board of CyberOptics Corporation, a developer and manufacturer of high precision sensors and inspection systems for the semiconductor and electronics industry. He held these roles from 2014 until CyberOptics was acquired by Nordson Corporation in November 2022. Prior to CyberOptics, Dr. Kulkarni was CEO of Prism Computational Sciences, a developer of software tools for scientific and commercial applications in the semiconductor industry. Earlier in his career, he held additional leadership positions, including Chief Technology Officer and Senior Vice President of OEM/Emerging business, global commercial business, R&D and manufacturing at Imation, a global scalable storage and data security company. Dr. Kulkarni began his career in research and management positions with 3M Corporation and IBM. He received his B.S. in chemical engineering from the Indian Institute of Technology, Mumbai, and later obtained a M.S. and Ph.D. in chemical engineering from MIT. Dr. Kulkarni currently serves on the Board of KeyTronic Corporation, a publicly traded electronics manufacturing services company, as well as Chairman of the Board for Prism Computational Sciences.

Ms. McCarthy has served as a member of Rigetti’s board of directors since July 2021 and was Chairperson of the Board from July 2022 until October 2023. Ms. McCarthy is currently President and CEO of Cross Tack Consulting, a strategy consulting firm. Ms. McCarthy has extensive executive level experience at both public and private companies, including SM&A, a publicly traded consulting firm specializing in business capture and program support services for clients in aerospace, defense, homeland security, and information services. Ms. McCarthy served on the board of directors, compensation committee, and audit committee of Solta Medical, Inc., from 2009 until 2013, prior to its merger with Valeant Pharmaceuticals International, Inc. She currently serves as a board member and audit committee chair of the Middleby Corporation, a leader and publicly traded company in the foodservice equipment industry.

Ms. Sandford, NACD.DC, has served as a member of the Board of Directors since March 2022. Ms. Sandford previously held the position of Principal Director, Business Transformation Office at The Aerospace Corporation from March 2023 until April 2025. Prior to joining The Aerospace Corporation, Ms. Sandford served as Chief Operations Officer of Recros Medica, an aesthetic medical device startup from 2017 to 2022, and as Chief Operations Officer of PFMG Solar, a leading solar developer in the municipal and school market from 2011 to 2017. Previously, Ms. Sandford served as Vice President at SM&A, a publicly traded consulting firm specializing in business capture and program support services for clients serving the U.S. government, and as Director of Proprietary Programs at Boeing, where she led a program to deliver a novel classified space system. Ms. Sandford holds a B.S. in physics from North Georgia College, an M.S. in engineering from The George Washington University and an MBA from the University of Southern California.