Mark Hinkle is a passionate open source advocate who currently serves as the Senior Director of Cloud Computing Community at Citrix Systems Inc. where he is responsible for their open source cloud computing efforts with the CloudStack and Xen open source projects. Previously he was the VP of Community for open source ISVs Cloud.com (acquired by Citrix in July 2011) and Zenoss and the former Editor-in-Chief of LinuxWorld Magazine He writes about open source on his blog at socializedsoftware.com.