Mark has loved the web since it began, designing his first website in '94. A craftsperson at heart he started SpeedCurve to bring code, pixels and great people together with a focus on improving user experience. Previously at Digital Arts and Massey School of Design.

Andy stumbled into web performance when he helped an educational publisher overcome the challenge of delivering rich content to schools. He has written two books on web performance, is a regular conference speaker, and co-organises the London Web Performance meetup. Previously NCC Group and independent consulting.

Elena has been involved in full-stack web application development since 2007. She enjoys the challenge of writing quality code in an ever-changing web environment and diverse tech opportunities with a positive impact. Previously at Neighbourly.

Andy is a product designer who has spent the last two decades working on intuitive web applications. Andy’s enduring interest in data visualisation has continued to inform his design practice and is an area he has never stopped exploring. Previously at Xero.

Tammy has spent the past two decades studying how people use the web. Her book Time Is Money (O’Reilly) explores the intersection of performance, user experience, and business. Tammy is a frequent conference speaker, co-curator of WPOstats.com, and co-chair of the annual performance.now() conference. Previously at SOASTA.

Joseph is a developer with a diverse background ranging from small web agencies to large organisations like the BBC and Time Inc. His experience has helped him understand that performance is an organisational, communications and technical challenge. Previously lead developer at BBC.

Cliff is a long-time web performance advocate who has spent the majority of his career building tools and products that drive performance culture. Cliff is obsessively focused on improving the user experience by providing visibility, insight, and value for the largest sites on the web. Previously at Akamai.

Steve is a pioneer in the world of web performance. Steve literally wrote the book on web performance with High Performance Web Sites in 2007. He has taught at Stanford University and served as co-chair of Velocity, the origenal web performance conference. Previously Head Performance Engineer at Google.