Guest authors

We also encourage our community of partners to contribute their expert views, insights and experiences. A full list of our guest authors and former staff is below

Geoff Wells

PhD student at University of Edinburgh and a consultant working with IIED's Sustainable Markets Group.

Vivienne Wendo

Vivienne Wendo is a communication officer with IMPACT Kenya

Xiaoxue Weng

Former Researcher, Natural Resources

Sigrid Wertheim-Heck

Sigrid Wertheim-Heck is a senior research fellow with the Environmental Policy Group at Wageningen University and professor Food and Healthy Living at Aeres University of Applied Sciences, both in the Netherlands.

George Williams

Just transitions advisor, Ethical Trading Initiative

Duncan Williamson

Duncan Williamson was IIED's food systems lead and principal researcher until August 2025

Emma Wilson

Dr Emma Wilson is an independent researcher and consultant based in London. She is a former principal researcher in IIED's Sustainable Markets Group; and team leader, energy

Kate Wilson

Former publications and marketing manager, Communications

Kirsty Wilson

Olivia Wilson-Holt

Olivia Wilson-Holt was an associate in IIED's Natural Resources research group until July 2025

Michelle Winthrop

Michelle Winthrop is director of policy at Irish Aid, a part of Ireland’s Department of Foreign Affairs.

Davida Wood

Holly Woodward-Davey

Project coordinator at Banana Link 

Helena Wright

Sarah Wykes

Senior research associate, Centre for Sustainable Transitions: Energy Environment and Resilience

Mustafa Yahia

Sudanese climate activist and a COP29 negotiator in the Least Developed Countries Group

Tshering Yangzom

Tshering Yangzom is senior environment officer, climate change division, National Environment Commission Secretariat (NECS), Royal Government of Bhutan

Christopher Yap

Research fellow at the Centre for Food Policy, City, University of London

Aïssata Yattara

Eric Yeboah

Eric Yeboah is a Lecturer and Researcher at the Department of Land Economy of the Kwame Nkrumah University of Science and Technology, Kumasi- Ghana

Solomon Yeo

Campaign director of the youth-led organization Pacific Islands Students Fighting Climate Change

Immaculate Yossa Daisy

Immaculate Yossa Daisy is regional advocacy manager, Uganda-East Africa, Hivos