John Rex Antonio has extensive experience in Workday integration and consulting, starting as a Software Engineering Team Lead at Accenture from August 2008 to March 2015. Following this role, John served as an Integration Consultant at IBM from March 2015 to October 2023, further honing expertise in Workday integrations. Subsequently, John held the position of Workday Integrations Development Manager at Accenture from October 2024 to November 2025. Currently, John is a Senior Workday Integrations Consultant at IBM, a role assumed in November 2025, after previously working as a Workday Integration Lead Consultant at Ronie Palima IT Consulting and Solutions OPC from November 2023 to October 2024.
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