To examine the antecedents and consequences of the dynamic capabilities of high-tech ventures, three subcomponents of dynamic capabilities are explored: environment sensing, innovative responding and resource renewing. An analysis of 158 high-tech ventures in Korea shows that dynamic capabilities are well captured by a meta-construct of these three subcomponents which have significant effects on the business performance. In addition, the organization culture of learning orientation is shown to facilitate a firm’s dynamic capabilities. These results provide important insights into the effectiveness of the dynamic capabilities of high-tech ventures.