From BUILD STUFF 2017 conferences, Dan Shappir is a Performance Specialist at Wix.com, focusing on making +80 million sites hosted on the Wix platform load and execute faster. Dan is a twenty year software development veteran, having worked on systems ranging from missile trajectory simulations to networked multi-user games to designing and building Rich Web Apps since the late 90s. Dan holds an M.Sc. in Computer Science, and has spoken at various technical conferences.