Sean Coyne is the Head of Cyber Security at MagicSchool AI. He brings more than 20 years of experience leading security and AI initiatives across national security, finance, education, and tech. He built and led security operations at Carta, Dropbox, and Uber, directed threat response at Lending Club, and served in senior roles at Verizon, Mandiant, and Booz Allen. His career spans incident response, infrastructure security, and generative AI strategy, with a focus on turning innovation into secure, scalable platforms.