He holds a PhD from the University of Sheffield and has worked in high-profile European projects on Semantic Technology also at the Open University, STI Innsbruck and the Karlsruhe Institute of Technology. He is posters/demo chair at this year's ESWC conference, formerly the services track chair. He has been a tutor and organising committee member for several Summer Schools in the area, including SSSC (Berkeley), SSSW (Cercedilla) and the ESWC school (Crete).