Tom Corn

Tom Corn is Executive Vice President and General Manager of the Threat Protection Group at Proofpoint. He leads the company’s core threat protection offerings, including Email Security, Threat Protection, Identity Defense, Threat Research, AI, and Machine Learning. With a mandate to accelerate innovation and enhance threat efficacy, Tom is focused on evolving Proofpoint’s capabilities to help customers stay ahead of an increasingly complex and dynamic threat landscape.

Tom brings over two decades of cybersecurity leadership across both established enterprises and emerging ventures. Most recently, he co-founded a startup focused on securing agentic-AI applications. Prior to that, he held the Chief Product Officer position at Ontinue, where he helped shape the company’s AI-driven approach to managed extended detection and response (MXDR). He previously served as Senior Vice President of VMware’s Security Business Unit and held key leadership roles at RSA Security, including GM of the Data Security Business and Chief Strategy and Technology Officer. He holds an MBA from Harvard University and a BS in Electrical and Computer Engineering from the University of Waterloo.