Board of Directors

Catherine Lego has served as the chair of our board of directors since December 2023. Ms. Lego has served as a member of the board of directors of Guidewire Software, Inc., a publicly traded insurance software company, since September 2019 and chairs its audit committee. Ms. Lego is also member of the board of directors of Cirrus Logic, a mixed signal semiconductor company, since April 2020 and chairs its nominating and governance committee. Prior to that, Ms. Lego served as a member of the board of directors of Cypress Semiconductor Corporation, a publicly traded semiconductor design and manufacturing company, from September 2017 to April 2020, where she served as the chair of the audit committee and a member of the nominating and corporate governance committee; IPG Photonics Corporation, a publicly traded producer of high-power fiber lasers, from July 2016 to May 2021, where she served as the chair of the compensation committee and as a member of the audit committee; and Lam Research Corporation, a publicly traded wafer fabrication equipment company, from January 2006 to November 2022, where she served as the chair of the audit and compensation committees and as a member of the nominating and governance committee. From 2013 to 2016, she was a member of the board of directors of Fairchild Semiconductor International Inc., a fabricator of power management devices, where she was a member of the compensation committee and nominating and governance committee. From 1989 to 2002 and 2004 to 2016, she was a member of the board of directors of SanDisk Corporation, a publicly traded global developer of flash memory storage solutions, where she was the chair of the audit committee. From June 1992 to December 2018, Ms. Lego was an angel investor and financial consultant to early-stage technology companies via Lego Ventures, LLC, where she served as its principal and owner. She previously practiced as a certified public accountant with Coopers & Lybrand (now PricewaterhouseCoopers). Ms. Lego received her B.A. in Economics and Biology from Williams College in 1978 and her M.S. in Accounting from the New York University Stern School of Business in 1979.

Matthew Kinsella has served as our Chief Executive Officer since April 2024 and as a member of our board of directors since July 2018. Prior to joining Infleqtion, Mr. Kinsella served as Managing Director at Maverick Ventures, a venture capital fund focused on early and growth-stage investments, from August 2005 to April 2024. While at Maverick, Mr. Kinsella served on the boards of directors of many privately held companies. Mr. Kinsella received his B.B.A. in finance from the University of Notre Dame in 2005. We believe Mr. Kinsella is qualified to serve on our board of directors because of his extensive experience in the technology industry and his board service on several privately held companies and as our Chief Executive Officer.

Eric Bjornholt has served as a member of our board of directors since December 2025. Mr. Bjornholt has served at Microchip Technology Incorporated, a semiconductor company, as the Chief Financial Officer since January 2009, and in various other roles since 1995. Prior to this, Mr. Bjornholt worked in public accounting at KPMG. Mr. Bjornholt received his B.S. in Accounting from the University of Arizona in 1992 and his M.S. in Taxation from Arizona State University in 1997.

Kristina Johnson has served as a member of our board of directors since June 2024. Since April 2025, Dr. Johnson has served as a general partner of Catalyzer Ventur Partners, a venture capital firm investing in growth-stage private companies focused on the digital transformation of energy, infrastructure and industrial systems. Since May 2023, Dr. Johnson has also served as General Manager of Johnson Energy Holdings, LLC, a consulting and investment company. From September 2020 to May 2023, Dr. Johnson served as President at The Ohio State University. From September 2017 to August 2020, Dr. Johnson served as Chancellor of The State University of New York. From January 2014 to September 2017, Dr. Johnson served as Chief Executive Officer of Cube Hydro Partners, LLC, a clean energy company, and a joint venture between Enduring Hydro, a company she founded in January 2011, and I Squared Capital, a private equity firm. From May 2009 to October 2010, Dr. Johnson served as Under Secretary of Energy at the U.S. Department of Energy. Prior to that, Dr. Johnson was Provost and Senior Vice President for Academic Affairs at The Johns Hopkins University from 2007 to 2009 and Dean of the Pratt School of Engineering at Duke University from 1999 to 2007. Previously, she served as a professor in the Electrical and Computer Engineering Department, University of Colorado and as director of the National Science Foundation Engineering Research Center for Optoelectronics Computing Systems at the University of Colorado, Boulder. Dr. Johnson currently serves on the board of directors for Cisco Systems, Inc., a networking and cybersecurity company, where she has served since December 2012; DuPont de Nemours, Inc., a chemicals company, where she has served since May 2022; and Minerals Technologies Inc., a specialty minerals and materials company, where she has served since May 2024. Dr. Johnson was inducted into the National Inventors Hall of Fame in 2015, is a member of the National Academy of Engineering and the National Academy of Inventors, and is a 2025 recipient of the National Medal of Technology and Innovation, one of the highest honors the U.S. government bestows on scientists and engineers. Dr. Johnson received her B.S. from Stanford University with distinction in electrical engineering in 1981, received her M.S. in electrical engineering from Stanford University in 1981 and received her PhD in electrical engineering in 1984.

Dawn Meyerriecks has served as a member of our board of directors since May 2022. Since January 2022, Ms. Meyerriecks has served on the boards of directors for several privately held companies. From January 2022 to December 2023, Ms. Meyerriecks served on the board of directors of KnightSwan Acquisition Corp, a publicly traded special purpose acquisition company. Ms. Meyerriecks served as Deputy Director of the Central Intelligence Agency for Science and Technology from June 2013 to December 2021. Prior to that, Ms. Meyerriecks served as Deputy Director of National Intelligence for Acquisition, Technology & Facilities; Senior Vice President, Product Technology at AOL, an internet and online media company, Chief Technology Officer and Technical Director for the Joint Interoperability and Engineering Organization of the Defense Information Systems Agency. Ms. Meyerriecks received her B.S.E.E. in electrical engineering and business from Carnegie Mellon University in 1981 and her M.S. in Computer Science from Loyola Marymount University in 1983.

David Singer has served as a member of our board of directors since April 2024. Mr. Singer has led private investments at Maverick Ventures since October 2004. Mr. Singer has served on seven public company boards, including Castlight Health, Inc., 1Life Healthcare, Inc. (d/b/a One Medical) and Seer, Inc. Mr. Singer received his B.A. in History from Yale University in1984 and his M.B.A. from Stanford University in 1988.