Born on the peninsula of Muintir Bháire in July 1955, the youngest in a family of 11 children. Denis was educated at Gouladoo N.S., Bantry Boys Club and Colaiste an Chroí ro Naofa, Carrignavar. Graduated from University College Cork in Law (Hons) in 1975.
Member of Bol Chumainn na hÉireann.
Director of Sheepshead Way Walking Group.
Denis is a lifelong member of the GAA and enjoys sea fishing and hill walking.