Greenwell Matchaya

Senior Researcher - Economics-ReSAKSS Coordinator, Deputy Country Representative - South Africa


Prior to joining the CGIAR group, Greenwell worked at the University of Reading, and at the University of Leeds, both in the United Kingdom on various aspects of development policy. His research focuses on micro and macro-economics of development, including, but not limited to; international agricultural trade, climate change, population and savings, public expenditure, technology/policy adoption and impact, water/agriculture markets, digital technology and mutual accountability in development. Under the ReSAKSS-SA program, Dr is coordinating efforts of various stakeholders (AKADEMIYA, IWMI, African Union, SADC, etc) towards strengthening analytical capacities of SADC Member States, as one way of enhancing evidence-based agricultural policy planning and implementation. He holds a PhD from University of Leeds in the UK (with a fellowship at the University of Wisconsin-Madison, USA), an MA in Economics (University of Leeds), an MSc in Development Economics from the Norwegian University of Life Sciences (Oslo), Bachelor of Laws (Universiteit van Suid-Afrika -Pretoria) and a BSc (UNIMA- Malawi). He is an author of more than 30 peer reviewed research items in international journals and book chapters.


Current projects


Latest news for Greenwell Matchaya

The Water Resilience Tracker is reframing climate policy across the Global South

From Nepal and Malawi to Egypt and Brazil, policymakers are making more strategic climate decisions by integrating water into their approaches ...

COP30 signals a paradigm shift from emissions-only thinking to resilience and water-centered solutions

In Belém, COP30 highlighted critical pathways for countries to advance water centric climate action ...

Malawi leaders drive action on water resilience priorities  

Key government stakeholders unite with water security experts to drive tangible progress toward a water-secure future ...

Upping the yield

IWMI supports the Comprehensive African Agriculture Development Program to transform agriculture into a wealth-creating livelihood ...

Henry Roman new IWMI Country Representative for South Africa, Zambia, Zimbabwe and Southern Africa Regional Representative

New appointments to strengthen IWMI's approach to sustainable solutions for water-related issues in Southern Africa ...

Latest publications by Greenwell Matchaya

Thumbnail
Report

Water and Soil Accelerator Inception Report: Sustainable Soil and Water Management from Farm to Landscape in Malawi and Zambia

International Water Management Institute | March 12th, 2026
Nkosi, Mahlatse; van Rooyen, André; Mabele, Thato; Chinembiri, Evans; Jacobs-Mata, Inga; Matchaya, Greenwell C.; Enokenwa Baa, Ojongetakah; Dirwai, Tinashe Lindel; Kasoma-Pele, Winnie; Mapedza, Everisto D.; Makungwe, Mirriam; Nortje, Karen; Mutenje, Munyaradzi; Roman, Henry
Open Access
Thumbnail
Report

Policy alignment for climate-resilient food systems in Zambia

International Water Management Institute | February 20th, 2026
Matchaya, Greenwell C.; Chindele, C.; Hanke-Louw, Nora
Open Access
Thumbnail
Book Chapter

Integrating emerging irrigation technologies to advance agricultural production and resilience in Africa

AKADEMIYA2063 | February 16th, 2026
Matchaya, Greenwell C.; Oke, Adebayo; Magombeyi, Manuel Simba; Dirwai, Tinashe Lindel
Open Access

View all publications by this author in CGSpace

Contact

For media enquiries, please contact IWMI's communications team.

Languages

English, Chinyanja, Chichewa, French (intermediate)

Based in