Jarek Nabrzyski received his M.Sc. and Ph.D. degrees in computer science from Poznan University of Technology. Currently he occupies a research position at the Poznan Supercomputing and Networking Center, where he heads the Applications Department. His research interests over the last 10 years have focused on knowledge-based multiobjective project scheduling, and resource management for parallel and distributed computing. For the last five years he has been working on tools and middleware technologies for Computational Grids. He currently leads several Grid-related projects at PSNC: MCRM Portal - multicriteria resource management architecture for the Grids with Portal Access GridPred - job runtime and queue wait time prediction system Jarek Nabrzyski is a co-founder of the European Grid Forum and the Global Grid Forum. He is a member of the Global Grid Forum Steering Group and he actively promotes Grid ideas and concepts in Europe. He was the Program Committee Chair of the First Global Grid Forum meeting held in Amsterdam in March 2001.