Jo. M. Martins is a graduate in economics from the University of Sydney, Australia, where he also completed post-graduate studies and a dissertation on economic development. After his private sector work experience, he went on to work for the United Nations and has served as an adviser and consultant to the World Health Organization and the World Bank. His public sector career started with the Government of Ontario, Canada. He spent almost two decades as a senior executive with the Government of New South Wales, Australia, followed by his appointment as a senior officer of the World Bank. His varied career has given him working experience in Australia, Africa, Asia and the Americas. T Dr Fei Guo is an Associate Professor of Demography in the Department of Marketing and Management at Macquarie University, Australia.  She received her Ph.D. from the University of Hawaii in 1996.  Her main research interests have been skilled and return migration in the Asia Pacific region, internal migration in China and migrant communities in Australia.  Her other research interests include ageing and migrant health, diaspora and transnationalism. She is also interested in the areas of internationalisation of highly skilled professionals and the localisation of workforce in international corporations.   David A. Swanson is Professor of Sociology at the University of California Riverside. His Ph.D. and M.A. are from the University of Hawai’i (Sociology, with a concentration in Population Studies) and his B.Sc. is from Western Washington University (with a major in Sociology and a minor in Mathematics). Swanson also holds a graduate diploma in Social Sciences from the University of Stockholm. He served as member of the U. S. Census Bureau’s Scientific Advisory Committee for six years (2004-10). He has testified before the US Congress and state legislative bodies. Swanson also has served as an expert witness in court cases and is the recipient of two Fulbright awards. Swanson has served as a state demographer (Alaska, Arkansas, and Oregon), a Department Chair (University of Mississippi and Pacific Lutheran University) and a Dean (Helsinki School of Economics and Business Administration).