Zack Rosen
CEO and Co-Founder



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Zack Rosen is the CEO and Co-Founder of Pantheon. He first joined the company in 2010. Pantheon is building the world’s best website operations platform that empowers marketing and development teams to take control of their websites, while giving them the agility to win in the dynamic world of digital marketing.

Previously, Rosen was an executive director at CivicSpace.

Rosen earned an undergraduate degree in computer science from the University of Illinois.



  1. Building and scaling a best-in-class business — Zack Rosen is the CEO of Pantheon SaaS platform and a visionary for how teams iterate and drive impact with their websites. In 2010, Zack co-founded Pantheon with the mission to make the open web a platform that delivers results at scale. Today, Pantheon powers more than 300,000 websites around the globe and enables high performing WebOps teams to build websites that drive their companies’ mission. – Taking a values driven approach to leadership — Zack is constantly working toward a better way for Pantheon customers, partners, investors, and employees. He is passionate about mentorship and continuous learning. A hallmark of Zack’s leadership is his empathetic, approachable and self-aware style. He seeks to surround himself with others whom he can learn from and rely on to provide their unique skills and expertise. One of the driving forces behind Pantheon’s success is Zack’s commitment to creating an environment where employees can do the best work of their careers. – Finding new, novel ways to use technology to change society — Zack thinks about technology in terms bigger than Silicon Valley, and surrounds himself with people who have built experiences from a broad and different set of backgrounds. Zack’s passion for finding ways to leverage technology to improve society is rooted in his start on the digital team of the 2003 Howard Dean presidential campaign, where he helped transition politics into the internet era. Zack currently sits on the board of several community-based advocacy groups, including California YIMBY, working to solve the Californian housing crisis, Covid Act Now, helping cities respond to COVID-19, and Tech Equity Collaborative, addressing economic inequality in the industry.

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