Robert Macek is a final-year student at Department of Radio communications and Microwave Engineering of Faculty of Electrical Engineering and Computing in Zagreb. He is a student researcher in CARNet's Research and Development Laboratory (CARNet RDLab), working on testing, development and implementation of new multimedia services in CARNet MoD and CARNet TV services.

Zvonimir Zelenika received his B.Sc.E.E at Department of Telecommunications of Faculty of Electrical Engineering and Computing in Zagreb. Since 1996. he is a student researcher in CARNet's Research and Development Laboratory (CARNet RDLab), working on development and application of ATM video-conferencing and hypermedia applications in CARNet network. In 2000. he worked on the development and acceptance of future telecom services (G3 mobile) in British Telecom PLC. He's active in TERENA TF-STREAM videoconferencing/streaming task force and Darwin/QuickTime Streaming Server development. Also, he worked on several projects in new media technologies with TrioMedia Interactive, Zagreb based multimedia factory. Since 2001. he is employed in CARNet as a head of Research and Development Laboratory (CARNet RDLab) and manager of multimedia services (CARNet TV and CARNet MoD).