Proofpoint, Inc., a leading cybersecurity and compliance company, has announced the appointment of Joyce Kim as Chief Marketing Officer (CMO), effective immediately. In this role, Kim will lead the company’s global marketing and communications strategy, driving brand growth, go-to-market execution, and demand generation worldwide, reporting directly to CEO Sumit Dhawan. Her appointment marks a strategic step in Proofpoint’s mission to accelerate global expansion and solidify its leadership in human- and agent-centric data security, particularly as organizations increasingly adopt AI-driven technologies. As the workplace evolves into an agentic environment, Proofpoint is intensifying its innovation focus to help customers secure people, data, and intelligent agents with confidence. “Joyce brings a rare blend of brand-building expertise and deep cybersecurity experience, which will be essential as we define the next era of security,” said Sumit Dhawan, CEO of Proofpoint. “With a proven ability to scale global marketing operations and a strong understanding of the C-suite buyer, Joyce’s leadership will be instrumental in strengthening our brand and positioning Proofpoint as the trusted partner for securing people, data, and AI agents.” Kim joins Proofpoint after holding senior marketing leadership roles at several category-defining technology companies. Most recently, she served as CMO at Zscaler, where she led global marketing and communications. Prior to that, she held CMO positions at Twilio and Genesys, and earlier leadership roles at Wrike, Arm, Google, and Microsoft. She also serves on the board of directors at Quicklogic Corporation and the nonprofit Bring Me A Book at the Stanford Center on Early Childhood. “AI is transforming business at an unprecedented pace, and security is the foundation that enables this transformation to happen safely,” said Kim. “As CMO, my priority is to amplify Proofpoint’s leadership in data security and communicate our vision for how organizations can innovate with confidence in the age of AI. Together, we’ll demonstrate that trust—rooted in the protection of people and data—is what drives meaningful progress.” Proofpoint, Inc. is a global leader in human- and agent-centric cybersecurity, protecting how people, data, and AI agents interact across email, cloud, and collaboration platforms. Trusted by over 80 of the Fortune 100, more than 10,000 large enterprises, and millions of smaller organizations, Proofpoint’s platform helps prevent threats, stop data loss, and build resilience across human and AI workflows. The company’s solutions empower organizations to secure their people and embrace AI securely and confidently. Learn more at www.proofpoint.com.