Zvonimir Zelenika is a final year student at department of Telecommunications of Faculty of Electrical Engineering and Computing in Zagreb and a student researcher in CARNet's Laboratory for Research and Development. Since 1996 he is active on numerous projects in CARNet in the fields of multimedia and high-speed networks. He is a project manager of CARNet's Multimedia on Demand project, development of distributed user-friendly multimedial server system. Also, he worked on several projects in new media technologies with TrioMedia Interactive, Zagreb based multimedia factory. He's author of several awarded web sites and colaborator in the production of several CD titles. He's currently on a trainship in British Telecom, working in the field of development and acceptance of future telecommunications services.