Antoine Mardsen

Antoine is an Enterprise AE in the EMEA Cybersecurity practice at Gartner, the world’s leading research and advisory firm. With a background in diverse industries including pharma, manufacturing, and tech, he has built a successful sales career, starting as a hungry young rep and progressing to leadership roles.

At Gartner, Antoine connects large enterprise clients, analysts, and technology partners globally, helping them leverage research-led, role-based platforms for engagement. He builds strategic, long-term relationships that enable clients to make informed decisions and achieve positive outcomes on their mission-critical priorities.