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Guillermo Ruvalcaba is a Business Operations Specialist at ERG, Inc., a position held since December 2021. Prior to this role, Guillermo worked in Healthcare Specialty Practices at Yoh, A Day & Zimmermann Company from December 2020 to December 2021. Guillermo's career began at Disneyland Resort, where a decade was spent as a Pastry Cook, with responsibilities that included serving as Lead and Trainer in the pastry department.