Ari Juels is the Weill Family Foundation and Joan and Sanford I. Weill Professor in the Jacobs Technion-Cornell Institute at Cornell Tech and the Technion and a Computer Science faculty member at Cornell University. He is also Chief Scientist at Chainlink. He was formerly the Chief Scientist of RSA, Director of RSA Laboratories, and a Distiguished Engineer at EMC (now Dell EMC), where he worked until 2013. His reseach areas of interest include blockchains, cryptocurrency, and smart contracts, as well as applied cryptography, cloud security, user authentication, and privacy. (Photo by Patricia Kuharic)