Christopher Callahan

Christopher Callahan

Chief Information Security Officer


Weichert Companies

Strategic, award-winning Chief Information Security Officer with deep Cyber Security and risk management experience in protecting businesses, team members, and customers in large, enterprise-wide, complex environments. Trusted advisor to executive team & legal department on best practices to balance risk vs. reward in introducing new business and technology strategies or in handling litigation.

Big picture thinker with keen business acumen and a deep knowledge of IT infrastructure & architecture as well as advanced threat protection technologies. Creates value and operational efficiencies with solutions-oriented strategies; streamlined, audit-ready processes; stewardship of high-performing teams held accountable for impactful results; and compliance/alignment with government and industry regulations, including PCI DSS, GDPR, NIST, ISO 27001, NYDFS Part 500, HIPAA, HITECH, and HITRUST.

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