Mercados de capitales y portafolios de inversión, 2012: title page (John Alexander Atehortúa Granados) cover front flap (born 1974; industrial economist with a degree from the Universidad de Medellín (1997); specialist in finance and public administration, Universidad Militar Nueva Granada de Bogotá (2002); master's candidate in finance, Universidad de Medellín; has been a professor at various universities in Medellín and Bogotá since 1997; former consultant to the Superintendencia de Transporte (Bogotá))