Biography:

Sean D. Mack is a transformational corporate technology executive, author, and strategist with an extensive background directing global IT operations, DevOps practices, infrastructure engineering, and security governance frameworks. In his multi-faceted leadership role at ISMG, he guides enterprise-wide digital operations while heading the CXO Advisor business unit to deliver executive risk advisory services to corporate leaders worldwide.

Prior to joining ISMG, Mack served as the global CIO and CISO at John Wiley & Sons (Wiley), where he orchestrated large-scale digital transformations, streamlined enterprise cloud architecture, and modernized the organization's overarching defensive posture. A pioneering voice in the integration of software development and operations security, he authored The DevSecOps Playbook, providing a definitive blueprint for organizations seeking to embed automated security controls directly into continuous delivery pipelines. In recognition of his strategic contributions to corporate modernization and business acceleration, Mack has been honored as a recipient of the prestigious CIO 100 award. He is a frequent industry speaker who presents regularly on building agile engineering cultures, cloud migration, and alignment between technical security and macroscopic business strategy.