John Allspaw, Engineering Culture Hacker
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 infrastructures at "Salon", "InfoWorld", "Friendster", and "Flickr". He is now VP of Tech Operations at "Etsy", and is the author of "The Art of Capacity Planning" published by O'Reilly.
Software Passion: The culture and tools that enables the building of scalable web infrastructures.