William Ong is a Senior Development Manager (Payments) at eMcREY Saudi Arabia Co. Ltd. As a Cards and Payments Systems Manager at Gulf International Bank from 2013 to 2025, they managed multiple greenfield projects and a technical team handling various financial systems. Previously, Ong held roles at Samba Financial Group, where they led significant projects related to credit card processing and banking services. Their early career included positions at Fujitsu and IBM Philippines, focusing on programming and systems development.
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