Marco Cecconi is a core team software developer at Stack Overflow and a public speaker focused on architecture and development. As a speaker he has participated to, or is scheduled at, DevDay (Poland), Webtech.de and Developer Conference (Germany), Hacker News London, How To Web (Romania), Community Days (keynote, Italy), QCon China (keynote), QCon Japan. He goes by Sklivvz on the Stack Exchange network, where he has been a proud contributor since the beginning and moderator on Skeptics.