Barrie was born In Epsom, Auckland. He was educated at Auckland Grammar School and Auckland University where he graduated LLB in 1958. He practiced in Auckland until 1966 when he migrated to Fiji to join the leading law firm now known as Munro Leys. Barrie was admitted to partnership in 1969 and retired in 2004. His work was mainly in civil litigation with a specialty in employment and industrial matters, insurance, media, sugar industry and aviation law.
In addition to a busy professional life, Barrie engaged in many public roles. He was a Member of the Senate and Chair of various statutory bodies including the Electoral Commission, the Constituency Boundaries Commission, the Constitutional Offices Commission, and the Consumer Council. He also held directorships in several leading companies.
His love of sport is reflected in him being Chair of the Fiji Rugby Union for 10 years from 1973 and later President of the Union and a Life Member; and in his role as inaugural Chair of the Fiji Sports Council. In 2008 he was the recipient of the Fiji Olympic Order.
Barrie joined the Fiji New Zealand Business Council in its early years and he served as Vice President for 12 years until his retirement. He was an active Rotarian for about 40 years and the Honorary Consul for Norway from 1987 until 2016.
Barrie's service to Fiji has been recognised with the Honour of Officer of the Order of Fiji.
He is married to Anna and has four children and eight grandchildren.