Simon Toomer is a forester, arboriculturist and botanist. He is Curator of Living Collections at the Royal Botanic Gardens, Kew where he oversees the management and curation of one of the largest collections of cultivated plants in the World. He was formally Senior National Consultant for Plant Conservation with the National Trust and Director of the National Arboretum at Westonbirt. He has written books and other publications on trees and has a particular interest in trees in heritage landscapes.

He is a speaker on the Trees in Climate Change in Historic Gardens-webinar on the topic «Stronger trees: Practical approaches both in historic gardens and botanical collections.»