Jamie Dimon is the President and CEO of JPMorgan Chase. He graduated from Tufts University and Harvard Business School. As the leader of JPMorgan Chase, Dimon displays qualities like loyalty, toughness, and taking responsibility. He employs different leadership styles depending on the situation, including affiliative, autocratic, democratic, visionary, coaching, and transformational styles. Dimon has overcome challenges like being fired and facing cancer to build JPMorgan Chase into one of the top financial institutions in the world.