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John Hollister is a seasoned technology executive and entrepreneur, best known as the Co-founder and Chief Product Officer of Valimail, a leading cybersecurity company focused on email authentication and anti-impersonation solutions. With over two decades of experience in product management, strategy, and enterprise software, he is a prominent expert in digital identity and a key figure in the fight against phishing. At Valimail, John drives the product vision and strategy, focusing on making complex email security standards like DMARC and BIMI accessible and automated for organizations globally. His work is instrumental in helping restore trust to digital communications for millions of users and major brands.
John Hollister's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Co-founded Valimail in 2015, establishing it as a market leader in automated DMARC enforcement. The company has since become a critical part of the email security ecosystem, protecting major global brands from phishing and impersonation attacks.
A leading advocate and contributor to the development and adoption of email authentication standards, including DMARC (Domain-based Message Authentication, Reporting & Conformance) and BIMI (Brand Indicators for Message Identification), helping to create a more trustworthy email environment.
As Chief Product Officer, he has led the creation of an innovative, patented platform that simplifies and automates email authentication, transforming a complex technical challenge into a manageable service for businesses of all sizes.
The University of Texas at Austin - Year 1989
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GlobalFoundries (GF) is one of the world’s leading semiconductor manufacturers. As a contract chip maker, or foundry, GF manufactures integrated circuits for some of the world's most innovative companies. Spun off from AMD in 2009, the company provides a broad range of feature-rich process technology solutions that enable the development of differentiated products for high-growth market segments such as mobility, automotive, and the Internet of Things (IoT).
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