Meet our experts
Meet the passionate people who work behind the scenes of the Botanic Gardens of Sydney.
![Staff-Amanda-Rollason-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Amanda-Rollason-496x372_0.jpg)
Amanda Rollason is a dedicated Technical Officer.
![Staff-Cathy-Offord-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Cathy-Offord-496x372.jpg)
Dr Cathy Offord is Head of Australian PlantBank Research at the Australian Botanic Garden Mount Annan.
![Staff-Ganesha-Liyanage-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Ganesha-Liyanage-496x372.jpg)
Ganesha S. Liyanage is a Plant Conservation Scientist.
![Staff-Karen-Sommerville-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Karen-Sommerville-496x372.jpg)
Karen Sommerville is a Rainforest Conservation Scientist.
![Karina Guo](https://www.botanicgardens.org.au/sites/default/files/2023-07/Karina%20Guo_496x372.png)
Karina Guo is a Technical Officer Biodiversity Genomics
![Staff-Lotte-Von-Richter-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Lotte-Von-Richter-496x372.jpg)
Lotte oversees the maintenance and procurement of equipment used by scientists for their research.
![Staff-Nathan-Emery-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Nathan-Emery-496x372.jpg)
Nathan Emery is the Manager, Seedbank & Conservation Collections at the Australian Botanic Garden Mount Annan.
![Staff-Zoe-Joy-Newby-496x372.jpg](https://www.botanicgardens.org.au/sites/default/files/2024-05/Staff-Zoe-Joy-Newby-496x372.jpg)
Zoe-Joy Newby is a Scientific Officer based at the Australian Botanic Garden Mount Annan.