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Oklo Inc. Announces Executive Appointments, Effective July 27, 2026
Oklo Inc. announced that on July 22, 2026, the Board of Directors appointed Alexandra Renner as Chief Product Officer, John Hanson as Chief of Staff, Vivek Narayanadas as General Counsel and Corporate Secretary, Erik Lassen as Senior Vice President of Engineering and Michael Dixon - Vice President of Accounting and Controller, Principal Accounting Officer, each effective as of July 27, 2026. Alexandra Renner, 35, has served as Chief Product Officer of the Company since May 2024. She previously served in several leadership roles at the Company, including Senior Director of Product from May 2021 to June 2024, Director of Licensing from December 2018 to August 2022, and Engineer from June 2016 to December 2018. Prior to joining the Company, she served in various positions at the U.S. Nuclear Regulatory Commission from 2013 to 2016, including Reactor Engineer, Project Manager, and Reactor Inspector. During her tenure with the U.S. Nuclear Regulatory Commission, she worked on nuclear reactor regulatory and operational matters and participated in activities supporting the startup of Watts Bar Unit 2. She holds a Bachelor of Science degree in Nuclear Engineering from the University of Tennessee, Knoxville. John Hanson, 39, has served as Chief of Staff of the Company since May 2024. He has held several leadership and technical roles at the Company since joining in 2015, including Senior Director of Special Projects from February 2022 to September 2024, Director of Policies and Procedures from January 2019 to February 2022, and Reactor Engineer. Prior to joining the Company, he was a U.S. Department of Energy Office of Science Graduate Research Fellow at the Massachusetts Institute of Technology, where he conducted research in nuclear materials and corrosion science. He holds a Ph.D. in Nuclear Science and Engineering from the Massachusetts Institute of Technology and Bachelor of Science degrees in Mechanical Engineering and Economics from The Ohio State University. Vivek Narayanadas, 42, has served as General Counsel and Corporate Secretary of the Company since October 2025. He served as Head of Legal at the Company from February 2025 to October 2025. Before joining the Company, he served in executive roles at a range of high-growth companies, including as Deputy General Counsel at Maven Clinic Co., a healthcare technology company, from May 2023 to January 2025 and General Counsel and Corporate Secretary at MetaMap Inc., a software-as-a-service company, from December 2021 to May 2023. Before that, he held senior legal leadership positions at Shopify Inc., an e-commerce company, and The Rubicon Project Inc., an advertising technology company. Before moving in-house, Mr. Narayanadas started his career as a litigator, where he focused on intellectual property, securities, and class action litigation at two large law firms. He received a J.D. from Columbia Law School and a Bachelor of Arts in History and Economics from the University of California, Berkeley. Erik Lassen, 48, has served as Senior Vice President of Engineering of the Company since April 2026 and previously served as Senior Director, Manufacturing Center of Excellence from January 2026 to April 2026. Prior to joining the Company, he held various engineering and manufacturing leadership roles at Joby Aviation Inc. from 2019 to 2026, most recently serving as Aircraft Final Assembly and Integration Lead. He also founded and served as Chief Technology Officer of Monolith Aeroworks LLC from 2011 to 2019. Earlier in his career, he held engineering positions with Virgin Galactic, LLC and Scaled Composites, LLC, where he contributed to the development, testing, and manufacturing of advanced aerospace and spaceflight systems. He holds a Bachelor of Science degree in Manufacturing Engineering from Brigham Young University. Michael Dixon, 42, has served as Vice President of Accounting and Controller of the Company since May 2026. Mr. Dixon will serve as the Company's Principal Accounting Officer. Prior to joining the Company, Mr. Dixon was employed by National Grid USA Service Company ("National Grid") from April 2020 to May 2026. Mr. Dixon most recently served in the capacity of Vice President, US/New York Controller and FP&A from April 2024 to April 2026. In this role, Mr. Dixon was responsible for certifying the financial statements and Sarbanes-Oxley Act ("SOX") certifications of National Grid North America ("NGNA") and National Grid USA ("NGUSA"), as well as NGUSA's regulated utility subsidiaries in New York. Mr. Dixon was also responsible for the development of financial budgets and long-term business plans for the New York business unit. From November 2022 to March 2024, Mr. Dixon served in the capacity of Vice President, US Controller. From April 2020 to October 2022, Mr. Dixon served in the capacity of Director, US Assistant Controller. Prior to joining National Grid, Mr. Dixon was employed by PricewaterhouseCoopers LLP (PwC) from 2006 to 2020. Mr. Dixon is a Chartered Accountant and member of the Institute of Chartered Accountants in England and Wales. He holds a Bachelor of Science degree in Mathematics from the University of Edinburgh.