I'm active in the e-Science research fields with the design of community-specific science gateways and e-Infrastructures, the resource allocation in Grid/Cloud environments and the development of parallel software. He co-organized the 22th Euromicro International Conference on Paral- lel, Distributed, and Network-Based Processing, several special issues on ISI journals and and co-authored more than 100 scientific papers, published in journals, book chapters and conference proceedings.