Barrie began at Camberwell in 1939, completing his education in 1953 Barrie played 1st XI cricket for five years at the School, 1st XVIII football for four years, 1st IV tennis for three years and represented the School in Athletics throughout his senior years. He received triple colours in his final year and was a School Prefect in his final two years.
Barrie studied to become a chartered accountant and became a partner in a firm of chartered accountants going on to establish his own firm, Wilson, Provan and Co, which merged with another firm in 1975 to become Danby, Bland, Provan and Co. The firm is now known as Accru with six partners and sixty plus staff. During his accounting career, Barrie was Honorary Treasurer of the Mission for Seamen for more than thirty years, Treasurer and Council member at Lowther Hall Anglican Grammar School for a similar period and was auditor in his own name for the Melbourne Cricket Club for twenty-five years.
Barrie along with three others, created and developed the Overnewton Anglican Grammar School which now has enrolments in excess of 2500 pupils. He also contributed to the establishment of the Geelong Christian College. On retiring from Accru, Barrie was appointed Chair of the Good Shepherd Nursing Home complex, a position he held for twenty one years. In 1992, Barrie purchased Suma Park on the Bellarine Peninsula and developed it as a conference centre with accommodation, a vineyard, a working train station connected to the steam train in Queenscliff and a cricket ground.
Barrie was awarded the Medal of the Order of Australia in 2018 for service to the community of Queenscliff.