In From 50 to 500, the authors identify key characteristics of small companies with the potential for rapid growth. Using this perspective, they present a highly relevant, easy-to-understand and actionable model, defining the motivators, capabilities and potential derailers unique to small business leaders. Readers are then invited to explore the distinct business challenges two typical leaders face over a business cycle. Opportunities to evaluate each leader’s decisions and outcomes provide valuable insights into their effectiveness and impact, and tools are provided to strengthen leadership effectiveness and achieve improved organizational results.