Prof Mariano Rojas is Professor of Economics at Tecnológico Nacional de México. He holds a Ph.D in economics from The Ohio State University. His areas of research are: Subjective Well-Being, Happiness, Quality of Life, Poverty Studies, Economic Development, and Society’s Progress. He is President Elect of the International Society for Quality-of-Life Studies. He also coordinates the Mexican Initiative Measuring the Progress of Societies: A Perspective from Mexico, which aims to contribute from Latin America to the global discussion on new ways of conceiving and measuring social performance and progress. He has edited many books dealing with paradigm shift in the notion of social progress, such as: The Measurement of Progress and Well-Being; Proposals from Latin America; Measurement, Research, and Inclusion in Public Policy of Subjective Well-being: Latin America. He has recently published The Scientific Study of Happiness (in Spanish) and edited the Handbook of Happiness Research in Latin America.