Dr. Rajiv Ranjan is a Research Scientist and Project Leader in the CSIRO ICT Center, Information Engineering Laboratory, Canberra, where he is working on projects related to cloud and service computing. Previously, he was a Senior Research Associate (Lecturer level B) in the School of Computer Science and Engineering, University of New South Wales (UNSW). Dr. Ranjan has a PhD (2009) in Computer Science and Software Engineering from the University of Melbourne. He completed Bachelor of Computer Engineering from North Gujarat University, India, in 2002. Dr. Ranjan is broadly interested in the emerging areas of cloud, grid, and service computing. The main goal of his current research is to advance the fundamental understanding and state of the art of provisioning and delivery of application services in large, heterogeneous, uncertain, and evolving distributed systems(cloud, grids, data center, and web services).