Gareth O'Callaghan

Gareth O'Callaghan (born 24 March 1961) is an Irish author and retired radio and television presenter. He was most recently to be heard on 4fm, having presented shows on RTÉ 2fm for much of his career until 2005 and then a show on Galway Bay FM until his retirement in 2018. He is known for talking about depression and suicide awareness on his shows.
In August 2018, O'Callaghan was diagnosed with a terminal form of neurodegenerative disease.