David Rosado is a Lieutenant Colonel of the Portuguese Army. He holds the following academic degrees: Doctor in Sociology, Master in Military Administration, Master in Political Science: Citizenship and Governance, Degree in Military Sciences in the specialty of Military Administration. He is also an assistant professor (with habilitation) at the Military Academy (since 2009) and at the European University (since 2011). He is the Editor of the scientific journal Proelium. He is especially dedicated to the areas of Sociology, Strategic Management, Scientific Research Methodology and the History of Portugal.