MARIA HELENA PESTANA has been a professor at ISCTE since 1982. She holds a PhD in Quantitative Management Methods in the area of Market Research. She is a researcher in Statistics, Econometrics, and Data Analysis applied in the fields of Demography, Economics, Finance, Gerontology, Management, Psychology, Health, Sociology, and Tourism. She is the author of books and scientific articles in national and foreign publications. She is a researcher at Unifai-Universidade do Porto and researcher-collaborator at Dinamia_ISCTE and CEPCEP_UCP. CINTESIS, Centro de Investigação em Tecnologias e Serviços de Saúde,Faculdade de Medicina da Universidade do Porto (FMUP), www.cintesis.eu. Helena received a certificate from the PSE company that represents in Portugal the IBM-SPSS for having pioneered in Portugal the first books of statistics and data analysis complemented with SPSS and its applications (1998, 2005, 2009, 2014). In the last 20 years, research interest has been directed essentially towards the application of multivariate analysis (quantitative/qualitative), scientometrics/bibliometrics, programming, big data, social networks, and the like with applications in the field of health and social sciences.