You can find George Roberts (“sirtwist”) online:
George is currently the Principal Architect, Identity & Access Management at McDonald’s. He has over 25 years of experience in delivering secure, scalable, and user-friendly software solutions and identity and access management across the enterprise.
George is also the founder of Mod Digital, a modern digital security firm, which will launch its new GridCode device-free multi-factor authentication service for frontline workers later in 2026.
His core competencies include software development and engineering, cloud architecture and operations, web and application hosting, agile SDLC strategy and leadership, solution engineering and optimization, and API design. George is a Certified Information System Security Professional (CISSP).
Twist: On Tech (and more) 
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