Benjamin Stewart
Head of Detection & Response, Corporate Security, Lyft

Benjamin Stewart

Seasoned security leader with 9+ years architecting and scaling enterprise security programs that protect organizations through periods of rapid transformation and complexity. Currently leading cross function teams across detection engineering, incident response, vulnerability management, and emerging technology risk.

Recent Focus Areas & Expertise: 

  • Identity & Access Modernization: Implementing next generation identity governance frameworks and modern authentication architectures that reduce attack surface while enabling business agility 

  • Agentic Security & Shadow AI: Pioneering approaches to discover, assess, and mitigate risks from AI agents and unsanctioned AI tool sprawl across the enterprise.

  • M&A Security Integration: Driving security due diligence and post merger integration programs that protect value and accelerate deal timelines

Proven track record implementing enterprise grade insider threat programs, achieving multi framework compliance (ISO 27001, SOC 2, NIST CSF/800-53, PCI DSS, HIPAA), and building security operations that scale with organizational growth. Known for translating complex security challenges into executive level risk narratives that drive investment and alignment.