Contextual intelligence is a multidimensional skill set that enables individuals to navigate diverse environments, adapt to shifting contexts, and exercise effective leadership across industries and cultural boundaries. This chapter explores the evolution of contextual intelligence as a concept, tracing its origins in academic research and distinguishing its modern, practical application from earlier definitions. Drawing from extensive research and validated assessments, the chapter introduces the 12 contextual intelligence behaviors, which, when practiced together, create a synergistic effect that enhances decision-making, leadership, and adaptability. These behaviors, organized within the 3D Thinking Framework™—hindsight, insight, and foresight—equip individuals with the ability to diagnose contexts, influence others, and anticipate future needs. By integrating these competencies, contextual intelligence becomes a powerful tool for leaders and professionals seeking to thrive in complex and unpredictable environments.