Kassiane Westell is a seasoned security professional with extensive experience in the field, currently serving as a Security Engineer at Meta since September 2025. Prior to this role, Kassiane held positions at Grammarly as a Senior Security Engineer from June 2023 to August 2025 and at Twitter from February 2020 to June 2023, where responsibilities included Manager of Security Engineering for Incident Response and various roles as a Senior Security Engineer and Security Engineer II focusing on incident response. Before joining Twitter, Kassiane worked as an Information Security Specialist at Trend Micro from June 2017 to January 2020. Kassiane holds a Bachelor's degree in Computer Science from the University of Waterloo.
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