Marie Long possesses extensive experience in cyber defense and software development. Currently serving as a Cyber Defence and Response professional at Trust Bank Singapore since March 2024, Marie previously held various roles at PayPal from February 2010 to March 2024, including Cyber Threat Intelligence Manager and Cyber Defense Center Manager, where responsibilities included creating a global cyber intelligence practice and managing blue teams in response to cyber incidents across APAC. Additionally, Marie has a background as a Sales Engineer at PayPal, providing technical presales support and custom solutions for clients. Earlier, experience included a Software Engineer position at ST Electronics focusing on logistics and medical software projects, freelance software development for retail business models, and technical support at StarHub for corporate clients. Marie holds a Bachelor of Science in Computer Science from Simon Fraser University and has completed education at Columbia College and Temasek Polytechnic.