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.

Mariana García Criado

Biodiversity conservation, biogeography, macro-ecology

International Union for Conservation of Nature (IUCN), Brussels

Lauren M. Gardiner

Arecaceae (palms), Madagascar, New Guinea

Cambridge University Herbarium (CGE), Department of Plant Sciences, University of Cambridge

Geethakumary M.P

Plant Taxonomy, Survey, Status Assessment and Herbarium

Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Thiruvananthapuram, Kerala, India

Coert Geldenhuys

Stellenbosch University, Department of Forest and Wood Science, South Africa

Harriet Gillett

Fiorella Nasha Gonzales Guillén

community ecology, biodiversity conservation

PhD(c). Biological Sciences-Mention Ecology. Pontificia Universidad Católica de Chile. Associate Research Museo de Historia Natural de la Universidad San Agustin de Arequipa (MUSA-UNSA)

Antonio González-Rodríguez

Tree population genetics and ecology

Instituto de Investigaciones en Ecosistemas y Sustentabilidad (IIES), UNAM campus Morelia, México