Alyssa Sieffert is a seasoned legal executive with over 15 years of experience advising on government contracts, regulatory strategy, and complex transactions across aerospace, defense, and advanced technology sectors. She began her career at NASA’s Office of Inspector General, where she advised senior officials and Congressional stakeholders on procurement and compliance issues. At Axiom Space, she led negotiations for over $1 billion in commercial and FAR-based contracts, including NASA’s first private astronaut missions. She later served as Associate General Counsel at Vast, overseeing $200 million in procurement and implementing a contract lifecycle management system. Currently, she is Segment Business Counsel at Applied Materials, where she leads strategy and negotiation for CHIPS Act-funded agreements and n government contract initiatives.