Lucas Carlson founded AppFog, a PaaS company that leveraged Cloud Foundry and was acquired by CenturyLink. Lucas has been a professional developer for 20 years and specializes in Ruby on Rails development. Lucas has authored Programming for PaaS and the Ruby Cookbook and has written half a dozen libraries in various programming languages and contributed to many others, including Rails and RedCloth. He maintains a personal website at rufy.com.