In 2001, I joined ESRI as a Senior Project Manager and Consultant. Before that I worked at ESRI Nederland B.V. for two years as business consultant. At ESRI Inc. my responsibilities include consulting and project management for projects in the Environmental Resources group as well as managing the development of the GIS Portal Toolkit, as solution for Geospatial Portals. I earned an M.Sc. in mathematics in 1989 from the Free University of Amsterdam, Netherlands, and an M.Sc. in geographic information systems in 2000 from Salford University, Great Britain. I have worked in the field of Geographic Information Systems for more than 12 years with a focuse on information sharing and exploit...