Martin Khor Kok Peng was the executive director of the South Centre, an intergovernmental organisation of developing countries based in Geneva, from 1 March 2009 to 2018. He replaced Dr. Yash Tandon who was the executive director of the South Centre from 2005 to 2009. Khor was also a journalist, economist and the former Director of the Third World Network, which is based in Penang, Malaysia.