Speakers (L-R) Madhu Koneru, CEO, MEC Holding, Luis Alberto Moreno, President, Inter-American Development Bank, Dennis M. Nally, Global Chairman Pricewaterhouse Coopers International, Malaysia's Prime Minister Najib Razak, Victor Fung, Chairman International Chamber of Commerce and Group Chairman, Li and Fung, World Bank President Robert Zoellick and host Timothy Ong, Chairman, Brunei Economic Development Board attend the Asia-Pacific Economic Cooperation (APEC) summit in Singapore on November 13, 2009. Asia-Pacific ministers representing 2.6 billion people pledged to pursue a vast free-trade zone but faced more pressing tensions over the US and Chinese currencies at annual talks. Ahead of a weekend summit to be joined by US President Barack Obama, the 21-member Asia-Pacific Economic Cooperation (APEC) forum said it would work towards a trade zone stretching from Chile to China via the United States.