 He was a long-term resident of Darlington and at different stages in its history involved with the Darlington Arts Festival.Juniper taught art at Perth College and Hale School in the 1950s, and at Guildford Grammar School in the 1960s.In the 1960s his excursions into the Australian outback with Ian Parkes was the inspiration for the subject matter a large part of his abstract style of art.