István joined the ITU in 1997 to work at the Space Department of the Radiocommunication Bureau where he was dealing with coordination and notification of satellite systems. In 2007 he moved to the Telecommunication Development Bureau and has been responsible for spectrum management and broadcasting issues since then. Starting April 2013 István has been the Head of Spectrum Management and Broadcasting Division.
After obtaining his master degree in Telecommunication Engineering at the Technical University of Budapest in 1980 he spent 17 years at the Hungarian Communication Authority and was dealing with technical and regulatory aspects of the spectrum management. Among others, he was responsible for the development of a computerized spectrum management system and for cross-border frequency coordination. Later, he was appointed as director of international affairs.
István has 37 years' experience in spectrum management and was the initiator of the development of the Spectrum Management Training Programme (SMTP). Additionally, he has lead the development of the Spectrum Management Software for Developing Countries (SMS4DC).