John Brown

John Brown

Senior Security Evangelist
Team Cymru
John is a Senior Security Evangelist and member of the Team Cymru Outreach team. Prior to joining Team Cymru, he was CTO of a regional ISP that provided Internet and Voice services via fiber optic and microwave technologies. Mr. Brown has actively been involved with Internet technologies since 1984, when as a high school student he connected via the local University’s UNIX systems. He has held senior technical training and customer support engineering roles at various companies in Silicon Valley. He is an active entrepreneur, having founded several successful technology companies. Mr. Brown was the principal networking and technical engineer for ICANN’s L-Root DNS server, part of the global critical DNS infrastructure. He is passionate about protecting the Internet from cyber criminals, teaching and passing on knowledge to others so that the Internet remains an open and safe system. In his non-working life, he enjoys downhill skiing, flying airplanes as a private pilot, traveling and spending time with his family.