Rod Johnson is an independent investor, author and coder--most recently, in Scala. He is the creator of the Spring Framework and was co-founder and CEO of SpringSource. Following the acquisition of SpringSource by VMware, he served as SVP, Application Platform at VMware. He is the author of several popular and influential books on Java and Java EE, including "Expert One-on-One J2EE Design and Development" and "J2EE without EJB" (with Juergen Hoeller). He sits on the board of five prominent open source companies, one of which is represented at GOTO Amsterdam: Neo Technology.