Complex sentence: In 1964 he joined Richardson Securities which merged with Dominion Securities in 1970 (now RBC Securities), where he became Manager of the Saint John office in 1975 and held that position until his retirement in 1986.
Split into simpler sentences: In 1964 he joined Richardson Securities which merged with Dominion Securities in 1970. Barry became Manager of the Saint John office in 1975 and held that position until his retirement in 1986.