Copilot, ChatGPT Enterprise, Gemini, Claude, and a wave of agentic tools are being wired into corporate SaaS faster than security teams can keep up - with broad OAuth scopes, opaque data flows, and non-human identities acting on behalf of employees. Deep knowledge of AI and SaaS security- OWASP LLM Top 10, MITRE ATLAS, prompt injection, agent/tool-use risks, OAuth abuse, and identity models across major AI and SaaS platforms.