Cassandra Mantzoros

Cassandra Mantzoros is an experienced professional in onboarding and event management, currently serving as the Onboarding Manager at OpenTable since September 2017. In this role, Cassandra leads the Add-On and Integrations Onboarding team, focusing on automating and streamlining processes globally while coaching direct reports. Previously, Cassandra held various positions including Onboarding Supervisor and Specialist at OpenTable, where successful implementation of product integrations and operational optimization were key achievements. Earlier career experiences include roles such as Director of Events & Hospitality at The Wild Animal Sanctuary and Catering Director at Eurest Dining Services, where strong organizational and strategic planning skills were demonstrated. Cassandra holds a Bachelor’s Degree in Hospitality Management from Widener University.