Global Tree Specialist Group Members

The IUCN/SSC Global Tree Specialist Group (GTSG) has over 140 expert members from botanic gardens, herbaria, universities and both governmental and non-governmental organisations.  Find out more about the specialists who help to inform the conservation work we carry out.

Prof. Peter Ashton

Arnold Arboretum, Harvard University, USA

Dr. Nanjappa Ashwath

Central Queensland University, Australia

Patricia Barberá

Taxonomy and systematics of African Euphorbiaceae, Phyllanthaceae, and Putranjivaceae; plant conservation

Missouri Botanical Garden, Africa and Madagascar Department

Fabian Brambach

Trees of Sulawesi

Georg-August-University Göttingen

Dr. Jedediah Brodie

University of Montana, USA

David Burslem

Diversity, conservation & restoration of tropical forest ecosystems, particular focus on lowland dipterocarp forests in SE Asia

University of Aberdeen, UK

Dr. James W. Byng

Tropical trees, especially Syzygium (Myrtaceae)

Plant Gateway, Naturalis Biodiversity Center

Sudipto Chatterjee

Biodiversity assessment & conservation planning

Conservation Sciences India