John has worked in systems operations for over fourteen years in biotech, government and online media. He started out tuning parallel clusters running vehicle crash simulations for the U.S. government, and then moved on to the Internet in 1997. He built the backing infrastr at Salon.com, InfoWorld.com, Friendster, and Flickr. He is now Chief Technology Officer at Etsy, and is the author of "The Art of Capacity Planning" and "Web Operations" published by O'Reilly. He speaks from time to time at conferences on topics related to web operations, operations and development culture, infrastructure, and human factors and systems safety.
He's a dad, guitarist, engineer, and always trying.