Esteban Zimányi is a professor and a director of the Department of Computer and Decision Engineering (CoDE). Toon Calders graduated in 1999 from the University of Antwerp with a diploma in Mathematics. He received his PhD in Computer Science from the same university in May 2003, in the database research group ADReM, and continued working in the ADReM group as a postdoc until 2006. Stijn Vansummeren is a professor at the CoDE Department of the ULB, where he teaches databases and web technologies.