Tiggy Grillo is the National Coordinator and Chief Operating Officer at Wildlife Health Australia, a role she has held since 2009. Her work sits at the intersection of biodiversity conservation ...
IUCN SSC Wildlife Health Specialist Group
Group leadership
Dr Tiggy GRILLO
Tiggy Grillo is the National Coordinator and Chief Operating Officer at Wildlife Health Australia, a role she has held since 2009. Her work sits at the intersection of biodiversity conservation, biosecurity, and One Health, supporting effective surveillance, preparedness, and response to wildlife health threats through cross‑sector and cross‑jurisdictional collaboration.
She supports the Australian Government as Australia’s World Organisation for Animal Health (WOAH) Focal Point for Wildlife Health and has been a member of the IUCN Species Survival Commission Wildlife Health Specialist Group since 2013, contributing to global wildlife health coordination, collaboration, capacity building and science–policy translation.
From 2021–2022, she undertook a part‑time secondment with WOAH, supporting development of its Wildlife Health Framework. She is a veterinarian with a PhD and is passionate about fostering constructive, cross‑sector partnerships that improve wildlife health outcomes globally.
Dr Marcela UHART
Marcela (Marcy) Uhart is a wildlife veterinarian from Argentina, with 30 years of experience in free-ranging wildlife health research and conservation. Since 2013, she has been the Director of the Latin America Program at the Karen C. Drayer Wildlife Health Center at the University of California Davis, School of Veterinary Medicine. From her home-base in Patagonia, Argentina, she runs long-term projects with southern right whales, penguins, albatrosses and petrels, many of them first established during her 17 years with the Wildlife Conservation Society. As an internationally recognized scientist, she has published over 450 peer-reviewed and other professional papers, reports and chapters. For over 15 years, she has served as the regional coordinator for the IUCN Wildlife Health Specialist Group in South America. Among a long list of service, she is a past president of the Wildlife Disease Association, is currently a member of the World Organisation for Animal Health (WOAH) Working Group on Wildlife, and serves on the Steering Committee for OFFLU, the WOAH and FAO network of experts on animal influenza, and on the International Whaling Commission Expert Panel on Strandings. Marcy’s work aims for biodiversity conservation and ecosystem health under a One Health approach that acknowledges the interconnections between wildlife, humans and the environment.
Marcela (Marcy) Uhart is a wildlife veterinarian from Argentina, with 30 years of experience in free-ranging wildlife health research and conservation. Since 2013, she has been the Director of the Lat ...
More about the Specialist Group
The IUCN SSC Wildlife Health Specialist Group was commissioned by the IUCN Species Survival Commission to serve as a first response for wildlife health concerns around the world. This requires a focused network of regional experts primarily conducting wildlife health work in the areas of health surveillance, reporting, and response, wildlife disease management, disease ecology, diagnostics, epidemiology, pathology, toxicology, health policy and related health ...
Annual Report
Learn about WHSG’s work and results in 2024 and 2025.
Previous reports:
WHSG Annual Report 2023
WHSG Annual Report 2022
WHSG Annual Report 2021
WHSG Annual Report 2020
WHSG Annual Report 2019
WHSG Annual Report 2018
WHSG Annual Report 2016-2017