He was able to retire from the business early and became a consultant to the United Nations on trade relations between African countries and multinational companies.

He worked also as an advisor to the African National Congress on trade sanctions against apartheid.

[2] Since then he has worked for many development agencies on issues relating to agricultural trade policy and its impact on small scale farmers.

This anti-apartheid pressure group was successful in curtailing the import of newly mined South African gold into the United States, Italy and Britain.

19 No.51 – 1991) Tropical Commodities and their Markets (Kogan Page – 1995) Review of market information systems in Botswana, Ethiopia, Ghana and Zimbabwe (Technical Centre for Agriculture – 2000) Review of the impact of globalisation on the agricultural sectors and rural communities of ACP countries (Technical Centre for Agriculture – 1999) Design of market information systems for small-scale producers and traders in three districts of Uganda (Technical Centre for Agriculture – 2000) Stolen Fruit: The tropical commodities disaster (Zed Books – 2003) Advice manual for the organisation of collective marketing activities by small-scale farmers (Natural Resources Institute – 2004) Supply-side measures for raising low farm-gate prices of tropical beverage crops (South Centre – 2006) Commodity exchanges and smallholders in Africa (International Institute for Environment and Development/ Sustainable Food Lab – 2011) Contributor to: After Apartheid – Renewal of the South African Economy (University of York and John Currey – 1988) The Sanctions Report (The Commonwealth Secretariat – Penguin Books – 1990) Sanctioning Apartheid (Africa World Press Inc. – 1991) A Framework for Macroeconomic Policy in South Africa – Making Democracy Work (Centre for Development Studies – South Africa – 1993) Information for agricultural and rural development in ACP countries: emerging stakeholders, new media and priority themes (Technical Centre for Agriculture – 2001) Agricultural commodities, trade and sustainable development (IIED and ICTSD 2005)