Semiconductors are foundational to economic growth, technological innovation, and national security. Since passage of the $52.7 billion CHIPS and Science Act in 2022, the US has been working with allies and partners to build diverse, resilient, secure, and transparent semiconductor supply chains. This invitation-only private session will convene public, private, and civil-society leaders to review progress to date and identify further actions required to achieve shared priorities. Key topics will include a review of outstanding vulnerabilities, strategies to unlock private capital and promote regional ecosystems, and opportunities to improve the coordination of workforce development and R&D.