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Christopher Frenz
Chief Information Security Officer
Christopher leads Rectangle Health’s security architecture and risk-reduction strategy, applying an evidence-based, engineering-driven approach to protecting the platform’s payment and patient data.
He’s best known for pioneering the industry’s first live-fire Zero Trust network architecture in a production hospital back in 2015, engineering frameworks that eliminate complex attack paths, and winning the CISO Top 100 awards twice (in 2024 and 2025).
His background is in biophysics and molecular drug design, and he’s the author of The Science of Silence and Evidence-Based Security.