This paper aims to investigate the moderating role of organizational routines in the relationship between behavioral repertoire and four types core competencies and four types of core competencies; including Uniqueness, Extendibility, Customer Value and Integrative Competencies are considered to measure core competencies. The study conducts a questionnaire survey in commercial Jordanian banks. The sample includes 475 employees within researched banks, and the study employs the Hierarchical Multiple Regression Analysis to test the hypotheses. Behavioral Repertoire has a significant positive effect on the four types of core competencies. Organizational Routines moderate this relationship between Behavioral Repertoire and Core Competencies. This research is one of the first attempts that investigate the relation-ship between Behavioral Repertoire, Organizational Routines and Core Competencies, extending the knowledge regarding the value of these variables and its relationship for the different types of organization.