This paper argues a set of solutions to be applied by leaders in order to make their work with the employees more effective. We consider that the innovative approach we bring is a specific approach regarding the emotional intelligence influence on leadership styles. Throughout this paper we present a comparative analysis of interdependencies and connections between emotional intelligence skills and different leadership styles. We present a mixture of the conceptual approach and practice evidences regarding the relevance, the reflection and the impact of certain emotional intelligence skills of leaders in the knowledge economy. Throughout the paper we describe the most relevant aspects/layers of the emotional intelligence and the way they may lead to positive or negative results for leaders. We also approach the theories about effective leadership styles and thus we propose innovative strategies to enhance these. The paper bases on a thorough study of the domain and presents a series of research results that could represent a solid base for any other academic work or managerial training.