Dr. Himonas has published numerous research papers in refereed journals and conference proceedings in the fields of detection and multimedia communications. Also, during the period from 1989 until 1997 he served as a reviewer of research papers submitted for publication to Transactions of the IEEE and Proceedings of the IEE, as well as to various conferences in the field of communications.
Currently he is the Permanent Secretary of the Ministry of Energy, Commerce, Industry and Tourism of the Republic of Cyprus. Prior to this position he was the Permanent Secretary of the Ministry of Justice and Public Order in Cyprus and the Director of the Department of Electronic Communications. In addition, as from October 2012, he is the Digital Champion of Cyprus, appointed by the Council of Ministers of the Republic of Cyprus.
Also during the period from 2000 to 2003, he served on the Board of the Cyprus Telecommunications Authority. From 2006 until 2013, he held chairmanship and vice-chairmanship positions in European electronic communications committees.