He co-founded the Sylva Foundation with Sir Martin Wood , a tree and forestry charity established in 2009 .
Dr Gabriel Hemery ( born 13 December 1968 ) is an English forest scientist ( silvologist ) and author .
Gabriel Hemery co-founded the Sylva Foundation with Sir Martin Wood , a tree and forestry charity established in 2009 .
Dr Gabriel Hemery ( born 13 December 1968 ) is an English forest scientist ( silvologist ) and author .