Teddy Sim is currently lecturing at the Institute of Education in Nanyang Technological University in Singapore. He has published on specific involvements of the Portuguese in the East / Far East in the 18th century and 19th centuries. He is the author of Portuguese Enterprise in the East: Survival in the Years 1707-57 and editor of Piracy and surreptitious activities in the Malay Archipelago and adjacent seas 1600-1840. On the sea space and network extending from Macau and the southern coastal provinces of China, Teddy is also interested in the issues involving security and activities of Macanese and diaspora Chinese transpiring in the region.