John Leslie Dowe is a research botanist specializing in the systematics and ecology of the palm family Arecaceae. Since the early 1990s, he has focused on the Australian palm flora providing revisions and accounts of the genera "Archontophoenix, Caryota, Licuala, Linospadix" and "Livistona", and describing over 25 new palm species. He was awarded a PhD in 2001, for research on the Australian fan-palm genus Livistona.