Don Jayson Castillon has a robust background in sales and marketing, with experience as a Sales and Marketing Coordinator at Avant Wellness Systems, LLC from December 2023 to July 2025, and as a Vendor Management Coordinator and Sales Coordinator/Inventory Analyst at Catch from February 2023 to December 2023. Currently serving as a Senior Account Coordinator at EY since October 2025, Don Jayson Castillon demonstrates expertise in account management and coordination. Educationally, Don Jayson Castillon holds a Bachelor of Arts in Political Science and Government from the University of San Carlos, earned between 2003 and 2007.
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