Most Powerful

• #1 Cosimo de’ Medici
  Florence FinancialFinancial Network ControlPolitical Medieval Finance and WealthState Power Power: 100
  Cosimo de’ Medici (born 1389) is a florentine banker and political patron associated with Florence. Cosimo de’ Medici is best known for building Medici financial power and shaping Florentine politics through patronage. This profile belongs to the site’s study of financial network control and finance and wealth, where influence depends on controlling systems rather than possessing money alone. In the medieval world, power depended on dynastic authority, taxation, fortified routes, control of armed retainers, and the ability to hold together networks of loyalty across distance.
• #2 Lorenzo de’ Medici
  Florence FinancialFinancial Network ControlPolitical Medieval Finance and WealthState Power Power: 100
  Lorenzo de’ Medici (1449–1492), often called Lorenzo the Magnificent, was the Florentine statesman who preserved Medici supremacy in Florence while presenting that supremacy as the guardianship of a republic rather than the open rule of a prince. He inherited not a formal crown but a family position built on banking, officeholding, patronage, and careful management of faction. His achievement was to keep that apparatus functioning at a moment when Italian politics had become unusually dangerous, with rival cities, ambitious popes, condottieri, and hostile noble families all prepared to exploit weakness.Lorenzo belongs in a study of wealth and power because he demonstrates how financial influence can be transformed into political command without abolishing older constitutional forms. He governed through loans, favors, marriages, tax arrangements, civic ritual, and access to office. His Florence remained nominally republican, but its equilibrium depended heavily on Medici brokerage. At the same time, he became one of the most famous patrons of Renaissance culture, turning poetry, architecture, festivals, and artistic support into instruments of prestige. His life shows how money, taste, and diplomacy can be woven together into a durable system of urban control.
• #3 Giovanni di Bicci de’ Medici
  Florence FinancialFinancial Network Control Medieval Finance and Wealth Power: 62
  Giovanni di Bicci de’ Medici (born 1360) is a banker and founder of the Medici Bank associated with Florence. Giovanni di Bicci de’ Medici is best known for building a credit network that tied commerce to political influence. This profile belongs to the site’s study of financial network control and finance and wealth, where influence depends on controlling systems rather than possessing money alone. In the medieval world, power depended on dynastic authority, taxation, fortified routes, control of armed retainers, and the ability to hold together networks of loyalty across distance.