The relationship between parliamentary elites and Defense Affairs is an infra-analyzed dimension in the scientific literature. Due to the relevance of the legislative power in democratic systems, parliamentary committees are key actors in the process of civil-military relations. In the case of Israel, Knesset is a core element in the national politics, been Defense and Foreign Affairs two main action lines of all the different governments. Due to the fact that the professional profiles can be a relevant input for the political process, this article develops a deep study about them. The research analyzes quantitatively the evolution of the socio-demographic and professional profiles of representatives in the Foreign Affairs and Defense Committee of the Knesset (1949Knesset ( -2021. From the biographical data available in the profiles of the webpage, this article analyzes (1) demographic and formative characteristics of representatives, (2) evolution of profiles in different time-frames and ( 3) analyze the relation between the evolution of the State of Israel and the political profiles. The results shows a preeminence of representatives from urban areas, with high-education degrees being adult males. This article presents future research that will allow to develop comparative studies with other States, as well as to analyze deeper the relationships between legislative and executive power in National Defense Affairs.