JOSH AAS

Josh has spent nearly 25 years in roles at the intersection of security, nonprofits, and Open Source where he has made meaningful contributions to improving the Internet of today. He has deep expertise in software security and Internet ecosystem dynamics, as well as organizational leadership. During his 11-year career at Mozilla, Josh worked in a senior strategy role, helping to find solutions for some of the Web's most difficult problems. He also spent a lot of time on the command line in various platform engineering roles. Josh co-founded and currently runs Internet Security Research Group (ISRG), the nonprofit behind Let's Encrypt, which provides encryption certificates to over 750 million websites as the largest Certificate Authority in the world. He spearheaded ISRG’s other projects, one focused on bringing memory safe code to security-sensitive software, called Prossimo, and Divvi Up, a privacy-respecting telemetry service. He is currently a Department Visitor at Princeton’s Center for Information Technology Policy and previously served as a visiting instructor at Macalester College.