Steve is Chief Performance Officer at Fastly developing web performance services. His book, High Performance Web Sites, explains his best practices for performance; it was #1 in Amazon's Computer and Internet bestsellers. His follow-up book, Even Faster Web Sites, provides performance tips for today's Web 2.0 applications. Steve is the creator of many performance tools and services including YSlow, the HTTP Archive, Cuzillion, Jdrop, SpriteMe, ControlJS, and Browserscope. He serves as co-chair of Velocity, the web performance and operations conference from O'Reilly, and is co-founder of the Firebug Working Group. He taught CS193H: High Performance Web Sites at Stanford, and does many public speaking appearances. Steve was the Head Performance Engineer at Google where he worked on web performance and open source initiatives. Prior to that he was Chief Performance Yahoo! and ran the Exceptional Performance and My Yahoo! teams. Steve worked at several small to mid-sized startups including two companies he co-founded, Helix Systems and CoolSync. He also worked at General Magic, WhoWhere?, and Lycos. In the early 80's Steve worked at a few companies doing research in Artificial Intelligence focusing on machine learning. Steve has a BS in Systems Engineering from the University of Virginia and a MS in Management Science and Engineering from Stanford University. Steve's interests are varied. He's a member of U.S. Masters Swimming and competes in open water swims. He has played basketball with several NBA and WNBA players. He was a member of the Universal Studios Internet Task Force. He participated in setting a Guinness world record. He rebuilt a 90-year-old carriage house. He has a wonderful wife and three daughters.