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Stefan Zier serves as the Chief Technology Officer at Abstract Security and has previously held significant roles in various technology companies. At Stripe, Stefan Zier worked as a Staff Software Engineer. Prior experience includes positions at Sumo Logic as Chief Architect, Lead Architect, and Manager of Cloud & Infrastructure. At ArcSight, Inc., Stefan Zier served as Software Development Manager and Principal Software Engineer. The career began at Syntion AG as a Software Developer, showcasing a robust background in software engineering and technology leadership.