Tim has been involved with environmental programmes of the United Nations since 1994. He worked with UNEP in the area of project design and evaluation, as well as the UNEP-GEF land degradation portfolio in Africa. With UNDP-GEF since 1999, he is currently Regional Coordinator for Biodiversity and International Waters, Asia-Pacific. The focus of his work is supporting the UNDP offices of China, South-East Asia and the Pacific with the GEF project cycle. His portfolio covers GEF-funded projects in the areas of wetlands, coastal and marine management, forests and terrestrial landscapes, agrobiodiversity, biodiversity governance and institutional capacity development.

Before joining the United Nations, Tim was a Scientific Researcher (Biodiversity and Land Degradation) with the Commonwealth Scientific and Industry Research Organisation (CSIRO), Division of Wildlife and Ecology, Australia.

Tim holds a Masters degree in Environmental Management and Development from the National Centre for Development Studies, Australian National University, Canberra. He also holds a Bachelor of Commerce from the University of Melbourne. His previous diverse work experience includes the foreign exchange trade in London and corporate tax law in Melbourne.