Derek is from Bray Co Wicklow and is married to Sharon. They have three teenage children Anna, Caitlin and Joshua. Along with Sharon he owns and operates a motor dealership in Bray.

When not taxing the kids around he enjoys walking the dogs and pottering in the garden, playing indoor soccer and music. Derek has enjoyed working with church and community youth clubs over many years. He has been involved with Fields of Life since 2000.