David has been self-employed in the horticultural industry for the last 21 years, leading over 25 tours for Boxwood since it began 18 years ago. Trained at Threave School of Gardening and the Royal Botanic Garden Edinburgh, David has spend all his working life in horticulture as a lecturer, nursery manager for Hilliers Nurseries Ltd, now operating as horticultural consultant and advisor. His work includes the HTA, Kew, RHS, DEFRA and the industry at large. David has travelled widely visiting gardens and nurseries in the UK, Ireland, USA, Canada, Mexico and mainland Europe. Spent one year working and studying in the USA and has been a Nuffield Scholar.