More at IMDbPro » Wiki: Salary, Married, Wedding, Spouse, Family Derek Gleeson is an Irish/American musician. He was born in Dublin, on 28 February 1964. He is currently the music director and conductor of the Dublin Philharmonic Orchestra since 1997 and is also the conductor at the Anna Livia Dublin International Opera Festival. Since 2012 Gleeson is also music director & conductor of the Rachmaninov Festival Orchestra. He also composes musical scores for film and television and of symphonic music for the concert hall.