Joyce Kim

Overview

Joyce Kim serves as Chief Marketing Officer at Proofpoint, Inc., a leading cybersecurity and compliance company. She brings more than 25 years of experience leading marketing transformation at some of the world's most innovative technology companies. In her role, Ms. Kim shapes Proofpoint's global marketing and communications strategy, amplifying the company's brand, go-to-market execution, and demand acceleration initiatives worldwide, reporting directly to CEO Sumit Dhawan.

As Chief Marketing Officer at Proofpoint, Joyce Kim leads the company's global marketing and communications organization, driving brand strategy, demand generation, and market engagement across Proofpoint's cybersecurity and compliance portfolio. She will report directly to Chief Executive Officer Sumit Dhawan as Proofpoint aims to grow its presence in human-centric cybersecurity and data security operations amid increasing adoption of AI technologies in the enterprise sector.

Career History

• Chief Marketing Officer, Proofpoint Inc. (December 2025–present)
• Chief Marketing Officer, Zscaler (where she oversaw global marketing and communications)
• Chief Marketing Officer, Twilio
• Chief Marketing Officer, Genesys
• Chief Digital & Marketing Officer, Arm (2017–2020)
• Chief Marketing Officer, Wrike
• Marketing leadership at Google (product communications and partnerships for Chromebooks and Google Hangouts)
• Marketing leadership at Microsoft (led marketing for global brands such as Skype and Skype for Business)

Education & Board Service

Joyce Kim attended California Polytechnic State University-San Luis Obispo. She serves as a member of the board of directors at Quicklogic Corporation and the nonprofit Bring Me A Book at the Stanford Center on Early Childhood.

Industry Recognition

According to Proofpoint CEO Sumit Dhawan, "Joyce brings a rare combination of brand-building expertise and cybersecurity acumen to accelerate our next phase as the defining leader in human- and agent-centric security." With a proven track record of scaling global marketing engines and a deep understanding of the C-suite buyer, Joyce's experience and leadership will be key to building Proofpoint's brand and momentum as the partner of choice for securing people, data, and AI agents.

What Joyce Kim could bring to Chief Marketing Officer at Proofpoint, Inc.: Drawing on her extensive background scaling marketing operations at cybersecurity leaders like Zscaler, combined with her experience at cloud-native software companies including Twilio and Genesys, Kim brings proven expertise in positioning complex security and compliance solutions to enterprise buyers. Her 25+ years navigating digital transformation, brand-building, and go-to-market strategy positions her to accelerate Proofpoint's messaging around AI-driven security threats and reinforce the company's leadership in human- and agent-centric data protection during a critical period of enterprise digital transformation.