Foundational principles for leaders -- Change, leadership, and creativity: the powerful connection -- Creative problem solving: background and introduction to the thinking skills model -- Identifying complex thinking skills associated with the creative problem solving model -- Transforming your thinking: principles for divergence and convergence -- Thinking tools for leaders -- Assessing the situation: tools for diagnostic thinking -- Exploring the vision: tools for visionary thinking -- Formulating challenges: tools for strategic thinking -- Exploring ideas: tools for ideational thinking -- Formulating solutions: tools for evaluative thinking -- Exploring acceptance: tools for contextual thinking -- Formulating a plan: tools for tactical thinking -- Additional factors that influence leaders -- Psychological diversity: leading people with different creativity styles -- Building a climate for creativity: how leadership sets the tone -- Conclusion -- Case studies.