The rise of China and India has reshaped Asia’s regional dynamics, as well as its position in the world. The Association of Southeast Asian Nations (ASEAN), the region’s most prominent multilateral organization, is made up of much smaller states that are vulnerable to the ups and downs of their more influential neighbors, China and India. Surin Pitsuwan, the secretary general of ASEAN, explains the economic, security and diplomatic dynamics of the organization’s interactions with China and India to the Journal’s José Vericat.