Tony Tromp is an Application Development Leader for one of the mobile telephone providers from the Orange Corporation. In this company he is taking the responsibility for the architecture and lead development of 3G mobile-, web-, and desktop based applications in order to improve the B2B and B2C flows. The last few years he has provided and introduced a great amount of XML based solutions to his company and because of the integrated XML API's in the .Net framework he is currently trying to push .Net based solutions wherever it pays off. Before joining the Orange Corporation, Tony has been working on developments of internet portals and projects. One of the more successful projects includes an Online beer ordering system for Heineken. Next to his mastered skills in C++, C#, ASP, and PHP, he is also senior Oracle Professional with a very good understanding of PL/SQL and performance tuning.