With more than 15 years of experience in the information security industry, Mr Kalember currently leads cybersecurity strategy for Proofpoint and is a sought-out expert for leadership and commentary on breaches and best practices. His global team of security experts and marketers ensures that Proofpoint’s customers have consistent insight into today’s advanced attacks and how to protect their people, data, and brands.

Under Mr Kalember’s leadership, Proofpoint has established a comprehensive GTM strategy conveying Proofpoint’s uniqueness in the market, enabling customers worldwide to clearly understand how Proofpoint technology helps them stop sophisticated attacks, embrace new communication platforms, and disrupt information loss—all delivered from the cloud.

Mr Kalember joined Proofpoint from WatchDox where he served as both chief product officer and chief marketing officer and was responsible for successfully building and leading the product and marketing teams through the company’s acquisition by BlackBerry. Prior to WatchDox, he was instrumental in running solutions across Hewlett-Packard’s portfolio of security products. He has also held a variety of leadership positions at ArcSight and VeriSign, working as a security practitioner across the US, EMEA, and Latin America.

Mr. Kalember is a member of the National Cyber Security Alliance board and Cybersecurity Technical Advisory Board. He has provided cybersecurity counsel to the National Governors Association and global government delegations including Jordan, North Macedonia, Peru, and Spain, and his expertise has been featured on ABCNews.com, Bloomberg, Bloomberg Radio, CNBC, Forbes, Fortune, NBC Nightly News, USA Today, and WIRED. He received his bachelor's degree from Stanford University, where he studied fault tolerance, cryptography, and authentication algorithms.