John Vallin is a senior technology leader with over 20 years of experience driving enterprise infrastructure, network, and security transformation across healthcare and Fortune 500 organizations. He currently serves as Director of Network Security at Ascension, where he leads strategy and execution to enhance cyber resilience, advance network segmentation, and modernize security capabilities in a highly regulated environment. Previously, John held global leadership roles at Ingram Micro, where he led enterprise infrastructure and network services across North America, Europe, and Asia, delivering large-scale transformation initiatives including SD-WAN modernization and cloud platform integration. Earlier in his career, John served as a Senior Network Operations Director at Kaiser Permanente, supporting one of the largest integrated healthcare systems in the country. In this role, he oversaw infrastructure operations across hospitals, medical offices, and a vast provider network, ensuring reliability and performance at massive scale. John is recognized for his servant leadership style, building high-performing teams grounded in accountability, trust, and execution. He specializes in simplifying complex environments through structured operating models, enabling organizations to modernize infrastructure, strengthen security posture, and deliver measurable business outcomes. He is passionate about collaborating with industry peers to advance infrastructure and cybersecurity practices and to support the next generation of technology leaders.