He is a leading expert on urbanization in developing countries, high-density cities, and cities of spectacle and entertainment. Stefan has received acclaim for his work on Asian urbanism with published books investigating China’s unique informal settlements and Hong Kong’s compact urban form. Stefan’s career as a practicing architect includes work on renowned projects such as the 2,000-feet high Canton Tower in Guangzhou, the preservation of world heritage in Latin America at the World Heritage Center of UNESCO, and an 11,000-acre new eco-friendly city in India. He has also served as an advisor to the Hong Kong government, consulting on the development of the city’s harbor and external lighting guidelines, the Chinese government, advising on new urban design guidelines, and the United Nations High-Level Political Forum on Sustainable Development.