Own Cleo’s application and product security program across SaaS and customer-hosted products. Responsibilities include SSDLC, threat modeling, security tooling, vulnerability triage, penetration testing, coordinated disclosure, CVE management, NIST CSF controls, secure product design, customer-facing security responses, and AI application security. The role establishes guardrails, mentors security champions, validates exploits and patches, drives the product security roadmap, and partners with Engineering, Product, Architecture, and Cloud Security.