Marie Casey

Marie Casey is a telecoms fraud and security specialist working at the intersection of product, regulation, and real-world user impact. With over a decade of experience across operators and vendors, including roles at Vodafone Ireland, Mavenir, and AB Handshake, she has built a career focused on tackling one of the telecom industry’s hardest problems: fraud that directly impacts consumers. She has worked across fraud detection, corporate security, and product management, giving her a rare end-to-end understanding of how systems are designed, deployed, and ultimately experienced by users.