In April 2004, Mr Gafà was appointed as Police Inspector and upon his appointment he had been assigned investigative and prosecution duties within the Police Economic Crimes Squad where he served until June 2013. Between June 2013 and December 2016, he had served within the Malta Security Service amongst others as Assistant Head of the organisation. In 2018 he was promoted in the rank of Police Superintendent.

Following a public call, in December 2016, Mr Gafà was appointed as the first Chief Executive Officer of the Malta Police Force which position he still occupies to date. Prior to entering the Malta Police Force, Mr Gafà was a Second Lieutenant in the Armed Forces of Malta. He had placed first upon entry intake of both the Armed Forces as well as the Malta Police.

Mr Gafà holds a First Class Bachelor of Commerce (Honours) (Private and Public Sector Management) degree from the University of Malta in 2001 and two Master degrees, a Master of Arts in Public Policy Leadership (Distinction) from the University of Malta in 2008, and a Master of Science in Security & Risk Management (Merit) from the University of Leicester in 2014. He is a visiting lecturer within the Department for Criminology at the University of Malta’s Faculty for Social Wellbeing.