Proofpoint Appoints Mark Templeton to its Board of Directors | Proofpoint US

Former Citrix CEO brings strategic expertise to support accelerated stage of growth for human-centric security leader

Sunnyvale, Calif.—April 24, 2025 – Proofpoint, Inc., a leading cybersecurity and compliance company, today announced the appointment of Mark Templeton to its board of directors, effective immediately.

As cybersecurity strategies evolve, organizations are increasingly adopting layered defenses that integrate both preventive and reactive approaches. Proofpoint’s human-centric platform has become a core pillar of modern cybersecurity architecture, and this appointment marks a key inflection point in Proofpoint’s journey as one of the top five cybersecurity players by revenue, with $2 billion in annual recurring revenue achieved by the end of 2024.

Mr. Templeton brings extensive leadership experience in the technology industry, having served as president and chief executive officer (CEO) of Citrix Systems, Inc. from 2001 to 2015. During his tenure, he transformed Citrix into a global leader in virtual workspace solutions, growing the company from a single-product business to a multi-billion-dollar enterprise. Under his leadership, Citrix expanded its cloud and virtualization offerings, successfully scaling operations to serve millions of users worldwide.

In addition to his time at Citrix, Mr. Templeton has held leadership and advisory roles across various technology companies. He served as president and CEO of DigitalOcean, where he guided the company’s cloud computing strategy and growth. Templeton has also been a board member and advisor to numerous technology firms, providing strategic guidance on scaling operations, innovation, and cybersecurity resilience.

“I am thrilled to join the board of directors of Proofpoint, the undisputed leader in human-centric security,” said Mark Templeton. “Proofpoint is providing organizations with the critical visibility and insights needed to effectively solve today’s sophisticated threats and risks targeting their people. I am honored to be working with Proofpoint’s board of directors to advance the company’s important mission and success.”

“We are delighted to welcome Mark to Proofpoint’s board of directors,” said Sumit Dhawan, CEO of Proofpoint. “Having closely worked with Mark during my time at Citrix, I have seen firsthand Mark’s passion for, and deep expertise in, enterprise software, cloud computing, and cybersecurity. His impressive background in scaling global businesses will be invaluable as we continue to expand our leadership in the market and define the future of human-centric security to deliver even greater value to the organizations that rely on us every day.”

Mr. Templeton holds a Bachelor of Arts in Product Design from North Carolina State University and an MBA from the Darden School of Business at the University of Virginia.

Read our blog on Proofpoint’s business momentum here.

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About Proofpoint, Inc.

Proofpoint, Inc. is a leading cybersecurity and compliance company that protects organizations’ greatest assets and biggest risks: their people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber attacks. Leading organizations of all sizes, including 85 percent of the Fortune 100, rely on Proofpoint for people-centric security and compliance solutions that mitigate their most critical risks across email, the cloud, social media, and the web. More information is available at www.proofpoint.com.

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Proofpoint is a registered trademark or tradename of Proofpoint, Inc. in the U.S. and/or other countries. All other trademarks contained herein are the property of their respective owners