Bisesto has served as Chief of Staff to the Chief Financial Officer of OpenAI Group PBC (d/b/a OpenAI ), an artificial intelligence research and deployment company, since August 2024. In this role, Ms. Bisesto leads finance strategy and operations and OpenAI s AI-native finance transformation. Previously, Ms. Bisesto served as the Head of Policy and Privacy / Head of Corporate Counsel at Nextdoor Holdings, Inc., a hyperlocal social media platform, from September 2020 to August 2024. From January 2024 to August 2024, she also served as Chair of the Board of Directors of Internet Works, a middle-tech advocacy organization. Prior to that, Ms. Bisesto served as Director of Policy at Checkr, Inc., an AI-powered background check and screening company, from December 2019 to July 2020, and as Head of U.S. State Public Policy at Verizon Media Inc. (n/k/a Yahoo Inc.) from June 2018 to December 2019. Ms. Bisesto also previously held various public policy leadership roles at Lyft, Inc. from November 2015 to June 2018. Earlier in her career, she served as an Assistant District Attorney in the San Francisco District Attorney s Office from July 2011 to October 2015. Ms. Bisesto earned a B.A. in Political Science from the University of California, Los Angeles and a J.D. from the University of California, College of the Law, San Francisco (f/k/a University of California, Hastings College of the Law). Board Membership Qualifications: Ms. Bisesto brings to the Board expertise in AI and technology policy, and global privacy, which are critical to the Company s strategic evolution. Her leadership in OpenAI s AI-native finance transformation provides unique insights into the operational integration of emerging technologies. Additionally, her background in public policy and legal affairs at Nextdoor and Lyft, combined with her service as an Assistant District Attorney, offers a robust perspective on navigating complex regulatory environments and public corporate governance.