Tim is the head of developer relations at Snyk--a company focused on making open code source more secure. Prior to that, he was a developer advocate at Akamai. He is the author of Implementing Responsive Design: Building sites for an anywhere, everywhere web, and was a contributing author for Smashing Book #4: New Perspectives on Web Design, and the Web Performance Daybook Volume 2. Along with Katie Kovalcin, he also co-hosts The Path to Performance Podcast.