Judi Neal’s Archetypes of Change (AOC) offers a typology for understanding the roles of leaders and organizations during organizational and societal change. AOC is a grounded typology that maps five leadership orientations in response to change: Edgewalker, Flamekeeper, Hearthtender, Placeholder, and Guardian. These archetypes provide nuanced insights into individual and organizational capacities for change by naming strengths and shadow sides. This entry reviews the origins, structure, and implications of the AOC framework and surveys, along with its practical applications for leadership development and organizational transformation. Increasingly, leaders (and their organizations) express the need for a more holistic and nuanced assessment—that accounts not only for behavioral and strategic capacities but also for the emotional, social, and spiritual dimensions of leadership. Judi Neal’s Archetypes of Change (AOC) offers a compelling typology for understanding the roles leaders inhabit during organizational and societal change (Neal 2006, 2011, 2024).