Melissa Cronquist is a Principal Engineer on Walmart’s AI Security and Safety team, where she focuses on enabling the safe, responsible adoption of AI at enterprise scale. With over thirteen years of experience in Information Security, she brings deep expertise in identity, infrastructure, and governance across complex global environments. Melissa’s work centers on establishing clear accountability, scalable guardrails, and durable security patterns as AI systems increasingly take action. She is known for translating technical risk into pragmatic strategy that supports innovation while protecting the business.