I am a Research Staff member in Services Research. I received my Ph.D in computer science from Columbia University. You can find my Columbia page here. My research interests are in cloud computing, energy efficiency, p2p systems, and VoIP. I have been elected as Release Manager of SPEC OSG cloud working group where I am working on designing an industry-wide cloud benchmark. My current and recent projects have focused on patch management in IaaS clouds, oversubscription in cloud, cloud slas, performance management, high availability, DevOps, and OpenStack.