Education
University of Limerick, Ireland
B. Sc. Computer Systems 2010
M.Eng. Information and Network Security, 2011
Expertise
Telecom Fraud Prevention | Product Management | Fraud Security Solutions | Strategic Collaboration | Emerging Threats
About Marie
Marie Casey is a fraud enthusiast. She is a Product Manager at AB Handshake, where she works to develop and deliver advanced fraud prevention products across voice and messaging. She brings a unique perspective from her experience on both the operator side and in vendor environments, enabling her to design solutions that address real-world challenges.
Marie has played a key role in anti-fraud collaboration efforts, actively contributing to GSMA FASG events and supporting industry-wide initiatives to strengthen defenses against telecom fraud. Her career includes previous roles at Vodafone Ireland as well as Mavenir—following the acquisition of Argyle Data, where she previously drove product innovation at a startup level. This blend of agility and large-scale telecom expertise allows her to shape strategies that deliver measurable impact for operators worldwide.
