This paper explores the sources of global competitiveness of firm in high technology industries such as IT and semiconductor. In the perspective of dynamic capabilities, we take notice that the competitive advantage of firm lies with international strategic alliance processes. In this regard the paper demonstrates that Samsung Electronics has earned global competitiveness by building up the global alliance networks. Based on the case analysis, we found that Samsung’s alliance processes are linked to access outside technological competences, which turns into creating core competencies, core products and end products of Samsung Electronics. Implication of this study is that dynamic capabilities with utilizing strategic alliances are shown up to be the sources of global competitiveness.