Jim Fenton is a consultant and researcher with a focus on user-centric identity, messaging, and Internet privacy and security issues. His primary consulting focus is currently in the area of user authentication standards, currently supporting the National Institute of Standards and Technology (NIST). He is an active participant in the Identity Ecosystem Steering Group and is an advisor to Disconnect, a maker of Internet privacy tools.

Previously, Jim was Chief Security Officer at OneID and a Distinguished Engineer at Cisco, where he focused on issues affecting trust in the Internet. He is an author of RFC 4871 (DomainKeys Identified Mail, DKIM), RFC 4686 (DKIM threat analysis), and RFC 5617 (DKIM Author Domain Signing Practices).