Mr. Chan is system vice president and CISO at SSM Health, overseeing the health system’s enterprise information security program and guiding strategy, governance, risk, compliance, architecture, engineering and security operations across the multi-state organization. He partners with executive leadership and SSM Health’s board of directors to align cybersecurity priorities with organizational goals, patient care and regulatory requirements. Mr. Chan is known for translating complex security issues into clear, actionable guidance for executives, caregivers and the broader community. He has built and led comprehensive enterprise security programs that strengthen governance and resilience in highly regulated environments. Mr. Chan also served as president of the FBI St. Louis Citizens Academy Alumni Association, as an advisor on the Washington University cybersecurity education advisory board, and as the leader of information security at World Wide Technology.
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Becker's Recognition
Gary S. Chanhas been named a Becker's honoree on the lists below.
2026 Winner

Executives
55 Hospital and Health System CISOs and Chief Privacy Officers to Know
