Born in Sydney, NSW, 6 January 1956.
His tertiary education was at the Macquarie University, Sydney, and he was a botanist at the National Herbarium of New South Wales, Royal Botanic Gardens, from 1981 to February 1991. He then took up the position of Curator at the Herbarium at the Australian National Botanic Gardens, Canberra, and assumed the position of Curator of the Australian National Herbarium when the Botanic Gardens and CSIRO herbaria merged in 1993. In May 2001 he returned to the Royal Botanic Gardens Sydney.
His main areas of botanical interest have been the genera Grevillea (Proteaceae) and Astrotricha (Aralaceae).Source: Extracted from: Hall, N. (1992) Suppliment No. 3 to 'Botanists of the eucalypts - 1978'. Commonwealth Scientific and Industrial Research Organisation, Melbourne