Radia Perlman is a Fellow at Dell EMC. She invented a lot of the technology at the heart of the Internet, including robust, scalable and autoconfiguring routing technology. She also invented the spanning tree algorithm, which is what “Ethernet” is today. She also has made contributions in network security, including scalable data expiration, distributed algorithms despite malicious participants, DDOS prevention techniques and user authentication. She has been recognized with many industry honors including induction into the National Academy of Engineering, the Inventor Hall of Fame, the Internet Hall of Fame, and lifetime achievement awards from Usenix and SIGCOMM. She holds over 100 patents, and has a PhD in computer science from MIT.