Gaber began his broadcasting career in 1978 at Independent Television News (ITN) as a scriptwriter and item producer.
[4] He has published over 70 articles and chapters in the field of political communications and has authored or co-authored five books, with the most recent being: Culture Wars:The Media And The British Left (with J. Curran and J. Petley) London, Routledge 2019.
[5] At UNESCO, representing the UK, Gaber initiated the UN Plan of Action on the Safety of Journalists and the Issue of Impunity.
Recently he has focused mainly on sub-Saharan Africa including devising and running election reporting projects in Nigeria,[7] Malawi and Uganda.
[8] Gaber was appointed Officer of the Order of the British Empire (OBE) in the 2023 Birthday Honours for services to media freedom internationally.