Contends that the E-V-R (environment-values-resources) congruence model provides an ideal framework for examining what entrepreneurs and entrepreneurial managers must achieve strategically in order to create and sustain organisational effectiveness and success. E-V-R shows how the environment is a source of opportunities and threats - external key success factors; and that resources constitute strengths and weaknesses, strategic competencies which either match, or fail to match, environmental needs. Sustaining and changing this strategic fit is dependent on leadership, culture and values. Goes on to show that entrepreneurship is a process which is essential for establishing winning strategic positions and, as such, is relevant and vital for all types and size of organisation. Concludes with a summary model which relates the characteristics of successful strategic leadership with the key issues of risk and crisis management.