Rui Manuel Teixeira Santos Dias.ย Postdoctoral degree in Economics/Finance at the State University of Feira de Santana (BR), Department of Exact Sciences. Doctor of Finance at the University of รvoraโInstitute of Research and Advanced Training (PT). Diploma of Advanced Studies in Doctoral Studies (DEA), at the University of Extremadura (ES), in the scientific area of Financial Economics. He served as Chief Financial Officer in various companies for 26 years. He is currently a Associate Professor at the ISG Business & Economics School and ESCE at the Polytechnic Institute of Setรบbal. In terms of research, it is an Integrated Member of CIGESTโCentre for Research in ManagementโBusiness & Economics School.