Fenech graduated in communications and journalism from the University of Malta, and also has a doctorate in geography from Durham University, England.
He started his journalistic career in 1992, first as news editor for The Malta Independent, and in 1997 he joined The Times and The Sunday Times. Between January 2008 and May 2013, Fenech served as registered editor and head of news with the Public Broadcasting Services.
He wrote, and co-authored several scientific papers, short notes and popular articles about Maltese ornithology for international journals, including Bird Conservation International, British Birds, Dutch Birding, Birdwatch and Gli Uccelli d’Italia.
He also wrote seven books, two of which won first prize in the National book awards in 2007 and 2010.
1992: The Fatal Flight: The Maltese Obsession with Killing Birds (London)
2004: Lark Mirrors: Folk Art from the Past (with H.F. Arensten)
2007: Richard Ellis – The Photography Collection Valletta & Floriana Volume 1 (BDL Books)
2008: Richard Ellis – The Photography Collection Grand Harbour & Cottonera (BDL Books)
2010: A Complete Guide to the Birds of Malta (Midsea Books)
2016: Kif Dieb il-Gemiem, rakkonti dwar kaċċa u nsib mill-passat (Midsea Books)
2017: Birds of the Maltese Islands, Nature Guide Series (BDL Books)