Aubrey Fennell is a champion-tree hunter and authoritative voice on their behalf. He has recorded over 10,000 champion trees in Ireland for the Tree Register of Ireland's database at the National Botanic Gardens. Aubrey lives in Carlow among his own champion trees. Carsten Krieger, from Germany, visited Ireland in 1989 and now lives in Clare. He believes photography protects and raises awareness of nature. His books include The West of Ireland - A Photographer's Journey (The Collins Press, 2009). Kevin Hutchinson's interest in trees began at the de Vesci Estate in Abbeyleix where his father and grandfather were gardeners. His career included the Forest and Wildlife Service, Irish Timber Growers Association and Coillte. He is currently vice president of the Tree Council of Ireland.