Meet our experts

Meet the passionate people who work behind the scenes of the Botanic Gardens of Sydney.

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Hervé Sauquet

Hervé Sauquet is Head of Plant Discovery and Evolution Research

John Siemon - Director of Horticulture

John is a Horticultural Scientist and Director of Horticulture & Living Collections at the Botanic Gardens of Sydney.

Dr Karen Sommerville Research Scientist

Karen Sommerville is a Rainforest Conservation Scientist.

Karina Guo

Karina Guo is a Technical Officer Biodiversity Genomics

Kayte Wilkie

In 2003, Kayte started her career in horticulture as a fresh-faced apprentice.

Lesley Elkan

Lesley Elkan is a talented Botanical Illustrator based at the Australian Botanic Garden Mount Annan.

Lotte von Richter

Lotte oversees the maintenance and procurement of equipment used by scientists for their research.

Manuela Cascini

Scientific Officer – Biodiversity Research at the Botanic Gardens of Sydney.

Marco Duretto

Marco Duretto is the Science, Education and Conservation (SEC) Operations Manager. 

Margaret Heslewood

Margaret Heslewood is a Project Officer (Plant Molecular) at the Botanic Gardens of Sydney.

marlien van der merwe

Marlien van der Merwe is a Scientific Officer specialising in restoration and conservation genomics.

Scientist Maurizio Rossetto collects field data with a tablet

Head of the Research Centre for Ecosystem Resilience