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Rajkumar Buyya

Founder and Chief Executive Officer (CEO)

Rajkumar Buyya Dr. Rajkumar Buyya is the founder and CEO of Manjrasoft Pty Ltd, Melbourne, Australia. In his academic role, he serves as a Professor of Computer Science and Software Engineering; and Director of the Cloud Computing and Distributed Systems (CLOUDS) Laboratory at the University of Melbourne, Australia. He has over 25 years of industrial and academic R&D experience in software systems for CAD, Internet, and high performance distributed computing applications.

Dr. Buyya has been awarded, over $6 million, competitive research grants from various national and international organisations including the Australian Research Council (ARC), Sun Microsystems, StorageTek, IBM, and Microsoft, Australian DIISR (Dept. of Innovation, Industry, Science and Research), and the European Council. He has carried out fundamental research in utility-oriented distributed computing platforms such as Grids and Clouds.

Dr. Buyya has published over 550 high quality and high impact research papers that are well referenced. "A Scientometric Analysis of Cloud Computing Literature" by German scientists ranked Dr. Buyya as the World's Top-Cited (#1) Author and the World's Most-Productive (#1) Author in Cloud Computing. Dr. Buyya is recognised as Web of Science “Highly Cited Researcher” for six times since 2016, IEEE Fellow, and Scopus Researcher of the Year 2017 with Excellence in Innovative Research Award by Elsevier. He has been recognised as the "Best of the World" twice for research fields (in Computing Systems in 2019 & 2022 and Software Systems in 2021 & 2022) as well as "Lifetime Achiever" and "Superstar of Research" in "Engineering and Computer Science" discipline twice (2019 and 2021) by the Australian Research Review. He received 2021 "Research Innovation Award" from IEEE Technical Committee on Services Computing, 2021 "Research Impact Award" from IEEE Technical Committee on Cloud Computing, and “Cloud Architect of the Year Award” from Oracle in 2022.

Software technologies for Grid and Cloud computing developed under Dr. Buyya's leadership have gained rapid acceptance and are in use at several academic institutions and commercial enterprises in 50 countries around the world. He has led the establishment and development of key community activities, including co-founding of IEEE Technical Committee on Scalable Computing and four IEEE conferences (CCGrid, Cluster, Grid, and e-Science). He has presented over 500 invited talks on his vision on IT Futures and advanced computing technologies at international conferences and institutions in Asia, Australia, Europe, North America, and South America. These contributions and international research leadership of Dr. Buyya are recognised through the award of "2009 IEEE Medal for Excellence in Scalable Computing". For further information on Dr. Buyya, please visit:

Ravikumar Challa

Business Development Manager (India)

Ravi Challa Ravikumar Challa has 25 years of experience in the IT industry and has worked for various companies like HCL, HP, Accel Frontline and extended consultancy services to SSP 2000 Inc, BT Convergence Technologies, Pyramid Solutions, Nipun Networks, Varma Industries and Vizexperts.

Depansu Upadhyay

Business Development Manager (Global)

Deepanshu Upadhya “Depansu Upadhyay has more than 10 years of experience in Global Sales,Strategic Alliances, Account Management and Marketing. He has rich experience of working in hottest technologies such as Virtual Reality, Augmented Reality, Cloud Computing, Machine Learning etc which comes with distinct advantage of working in diverse industries at different life cycle. His previous association includes Exxar Inc(A spinoff from VizExperts), Sterling Wilson Ltd, Jakson Ltd, Infozech Software Pvt.Ltd, Romsons group of industries and Priority Vendor technologies(Now C2FO).

Wolfgang Gentzsch


Wolfgang Gentzsch Dr. Wolfgang Gentzsch is a senior consultant for HPC, Grid and Cloud Computing and the General Chairman of the ISC Cloud Conference Series. Previously, he was an Advisor to the EU funded project DEISA, the Distributed European Initiative for Supercomputing Applications, and he directed the 3-year German Government funded $150 Mio D-Grid Initiative for developing a sustainable Grid infrastructure for research and industry in Germany. He was a member of the Board of Directors of the OGF Open Grid & Cloud Forum standards organization, and a member of the US President's Council of Advisors for Science and Technology, PCAST. He founded the e-School Project which aims at building and operating a professional interactive Web 2.0 computer simulation laboratory for K-20 science and engineering education and edutainment.

Before, Wolfgang was a professor of computer science and mathematics at several universities in the US and in Germany, and held leading positions at the MCNC Grid and Data Center, Sun Microsystems, Gridware, Genias, and the DLR German Aerospace Research Center. Wolfgang studied mathematics and physics at the Technical University in Aachen, and got his PhD in numerical methods for partial differential equations.

Laurence Liew


Laurence Liew Laurence Liew is the CEO and Founder of 1degreenorth Pte Ltd, a provider of next-generation High Performance Computing and Cloud Computing infrastructure solutions.

Prior to starting 1degreenorth, Laurence was the Director of Platform Computing in Singapore holding multiple portfolios which includes: R&D Centre Director for Platform's Open Source Grid Development Centre which is responsible for the development and overall product strategy for Platform's HPC management software, Director of Platform's Cloud Innovation Centre helping customers in Singapore and the region to be Cloud enabled, and Platform's Community Manager - a portal for the global HPC community.

Laurence is a veteran of the open source and HPC/Grid/Cloud community and has been promoting the use of Linux/HPC/Grid/Cloud since 1998. He was involved in building the very first commercial Linux cluster for a local research institute in 1999 and has since implemented and consulted for many organizations in APJ, Europe and US, on HPC, Grid and now Cloud. Laurence also led a team from 2002- 2006 in Singapore to co-develop the San Diego's Supercomputer Centre Rocks toolkit - the world's most popular open source HPC cluster management system.

Laurence graduated from National University of Singapore (NUS) with First Class Honours in Engineering, and holds a Master in Knowledge Engineering from NUS.