Duncan Bouwer is a vocal coach of some 24 years experience. Trained as Opera singer with Joyce Baker (head of opera, WITS, Johannesburg, South Africa) and then later with Wayne Long (Resident Vocal Coach and principal baritone at CAPAB Opera). He performed professionally in South Africa between 1983 and 1993, performing leads for all the performing arts boards. See his full CV here.
He started teaching in 1991 and has seen hundreds of students improve their vocal skills over the years.