8. December 2025

Personio Welcomes Cloudflare CFO Thomas Seifert to its Board of Directors

Thomas Seifert Board of Directors

Munich – December 8, 2025 – Personio, the leading European HR platform provider for small and medium-sized businesses, today announced that Thomas Seifert has joined its board of directors. Seifert is a veteran public-company CFO with deep expertise in finance, operations, and governance within the SaaS and technology sectors. He will chair the board’s audit committee as the company continues its mission to empower HR teams across Europe, while targeting profitability in 2026.

Thomas Seifert currently serves as Chief Financial Officer (CFO) at Cloudflare, Inc. (NYSE: NET), where he has led the company through its 2019 IPO and subsequent growth. Prior to joining Cloudflare, Seifert held executive-level financial leadership positions at Symantec and AMD, guiding these organizations through periods of restructuring and rapid transformation. He has a strong track record as a non-executive director, serving on the boards of a range of technology-focused companies. 

Hanno Renner, Co-founder and CEO of Personio:

“Thomas has led finance and operations at some of the world’s most innovative technology companies. With his passion for technological innovation, commitment to operational excellence, and public market experience, he has been a valuable partner for me and the Personio team from our very first conversation. Having helped scale Cloudflare from a size that is comparable to Personio’s today, to become a global category leader, Thomas knows exactly what it takes to build a scalable SaaS business for long-term success. We’re excited to have him on board.”

Thomas Seifert, CFO of Cloudflare, and Personio board member:

“Personio is solving a critical challenge for European businesses – helping them manage their people and payroll more effectively, and more strategically, as they grow. With 15,000 customers and a category-leading product that has reached scale in its core market, the company is well-positioned for its next chapter, and I'm excited to support the team.”


About Personio

Personio is Europe's leading provider of HR software solutions for small and medium-sized enterprises. Its all-in-one platform helps HR teams digitize and automate core processes such as recruiting, employee management, and payroll. Founded in 2015 and headquartered in Munich, Personio reaches more than one million employees across Europe through its 15,000 customers.

For further information: www.personio.com