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.

Lillian Swee Lian Chua

Forest Research Institute Malaysia

Daniele Cicuzza

Cristian Echeverria


Departamento de Manejo de Bosques y Medio Ambiente, Facultad de Ciencias Forestales, Universidad de Concepcion

Dr. Sisira Ediriweera

Forest restoration, Biophysical remote sensing

Uva Wellassa University, Faculty of Science and Technology, Sri Lanka

Aljos Farjon

Conifers, taxonomy

Royal Botanic Gardens, Kew, UK

Gennady A. Firsov

Dendrologist & arboriculturist, threatened native woody plants of Russian Federation, woody plants cultivated in NW Russia

Botanic Garden of the Komorov Botanical Institute RAS

Alejandra Celeste Dolores Fuentes

Mexican endemic trees red listing.

Universidad Nacional Autónoma de México (UNAM), Centro Regional del Bajío, Instituto de Ecología, A.C., Mexico (INECOL)