Gary was born in Wanganui where he also went to school before studying accountancy at Tech in Wellington. Gary joined the firm in 1975, gaining his Chartered Accountant status in 1980. He was married to the late Allison (Williams), has two stepsons who own their own horse and dairy farms and a son Matthew who joined the Ryan Thomas firm in 2010 and is now a Partner. Gary is a very competitive sportsman, involving himself in cricket, rugby and golf teams and their administration. He also, is a Justice of the Peace, carries two life memberships, and is a member of the Eagles Society.