Douglass Sillars


Douglass Sillars
Head of Developer Relations

Doug’s been a passionate advocate of web performance for a decade, especially at the intersection of video and images. A Google Developer Expert and the author of O’Reilly’s “High Performance Android Apps,” Doug regularly speaks at conferences, and blogs at He is currently the Head of Developer Relations at

He is an international digital nomad, having traveled the world for the last 5 years with his family, while building a reputation as a prolific speaker, writer and leader in his fields.

He is an expert in mobile application architecture, especially when it comes to performance and media (image and video optimisation). As a Google Developer Expert, Doug has worked with thousands of developers around the world, helping them improve the speed, battery life and customer satisfaction of their applications (both native and web based apps).