The human capital is embodied in human beings, in the productive potential of their knowledge, attitude, experience and intelligence. Moreover, the human capital is complemented by social and structural capital. On one hand, the social capital encompasses the benefits of the community, the potential resulting from close relationships between employees, the network connections, and the common values and principles that facilitate cooperation within and between groups. On the other hand, the structural capital is equivalent to what remains in the office when people go home; it implies converting human capital to systems, procedures and routine activities