A Letter to Banking Leaders
Note: This essay draws on the historical record of the Medici family to explore themes relevant to modern banking leadership. While the historical facts presented are drawn from established sources, the interpretations and parallels to contemporary banking are offered as frameworks for reflection rather than definitive conclusions. Readers are encouraged to explore primary sources and academic histories for deeper understanding.
There’s a portrait that hangs in the Uffizi Gallery in Florence – a palazzo built not as a museum, but as government offices by Cosimo I de’ Medici in the 1560s. The building itself suggests something intriguing about institutional evolution: by the time Cosimo I was consolidating his power as Grand Duke of Tuscany, the Medici family’s primary identity had shifted dramatically from their banking origins. They had become rulers, patrons, and a political dynasty. The bank that launched them appeared to occupy a less central role in their story.
This transformation, if accurately understood, reveals questions that should matter deeply to every banking leader today: Are the institutions that create wealth always the ones that sustain power? Are the skills that build empires always the ones that preserve them?
The Foundation: Giovanni di Bicci and the Birth of Modern Banking
Let me take you back to 1397, when Giovanni di Bicci de’ Medici founded what would become one of history’s most influential financial institutions. Giovanni wasn’t born into wealth – his father’s modest inheritance had been divided among five brothers, leaving him with almost nothing. But he had something more valuable: an uncle in banking and the intelligence to learn the trade from the ground up.
Giovanni’s rise through the ranks of his uncle Vieri’s bank reads like a case study in strategic patience. He mastered the operations, understood the relationships, and when Vieri retired in 1393, Giovanni didn’t just inherit a bank – he had earned the knowledge to transform it.
What Giovanni built wasn’t merely a bank; it was a prototype of the multinational financial institution. By establishing branches throughout northern Italian city-states and beyond, he created something unprecedented: a network that could move money, manage accounts, and facilitate commerce across borders and jurisdictions. This was financial infrastructure before the term existed.
The Strategic Bet That Changed Everything
In 1414, Giovanni made a decision that every CEO should study: he bet on the permanent return of the papacy to Rome after decades of exile and schism. This wasn’t insider trading or corruption – it was strategic foresight based on deep understanding of institutional dynamics. When the papacy was permanently installed in Rome in 1417 under Pope Martin V, Giovanni’s gamble paid off spectacularly.
The Medici Bank became the Chief Papal Banker, handling the Church’s accounts – arguably the most valuable client relationship in medieval Europe. This connection brought tax-farming contracts, rights to lucrative alum mines, and a legitimacy that transcended mere commercial success.
But here’s what matters most: Giovanni understood that wealth without social license is vulnerable. Despite his growing fortune, he deliberately kept himself and his sons dressed and behaving like average Florentine citizens. He wrote to his children: “Do not draw public attention on yourselves yet keep free from blemish as I leave you.”
This wasn’t false modesty. It was sophisticated risk management. Giovanni knew that in a republic, visible inequality breeds resentment, and resentment breeds political instability that threatens capital.
The Paradox of Success
When Giovanni died in 1429, he was the second-richest man in Florence. He left his empire to his sons Cosimo and Lorenzo, who expanded it further. His great-great-great-grandson, Cosimo I de’ Medici, would become the first Grand Duke of Tuscany, ruling with absolute authority.
But here’s the paradox that should give every banking leader pause: by the time Cosimo I came to power in 1537, the Medici were no longer bankers. The article about Cosimo I’s remarkable 37-year reign mentions banking exactly once—only to note that he was descended from Giovanni di Bicci, “founder of the Medici Bank.”
Cosimo I built fortresses, conquered Siena, developed a navy, patronized artists, and created administrative infrastructure. He laid heavy tax burdens, employed Swiss mercenaries, and ruled as an authoritarian. The skills that made Giovanni successful—patient relationship-building, strategic discretion, understanding the delicate balance between wealth and public favor—were replaced by military force and political calculation.
The banking empire that Giovanni so carefully built had evolved into something unrecognizable: a hereditary aristocracy sustained not by financial acumen but by territorial control and dynastic marriage alliances.
What This Means for Banking Today
As I reflect on this history from our vantage point in 2025, several lessons emerge with uncomfortable clarity:
First, success can make you obsolete to yourself. The Medici Bank’s very success generated enough wealth to make banking seem pedestrian. The family climbed the ladder and then kicked it away. How many of our institutions are making similar choices – abandoning core competencies in pursuit of adjacent opportunities that seem more prestigious but are less understood?
Second, institutional knowledge is fragile. Giovanni built his empire on deep operational expertise, learned through years of working his way up through his uncle’s bank. Within a few generations, that knowledge base had evaporated. The Medici descendants knew how to commission art and conduct diplomacy, but the technical mastery of international finance – the foundation of their power – was lost.
Are we preserving the deep expertise that defines banking, or are we creating generations of leaders who understand financial engineering but not financial service, who can structure deals but not build relationships, who can optimize shareholder returns but not maintain public trust?
Third, the relationship between finance and society is always political. Giovanni understood this instinctively—his deliberate modesty, his championing of tax reform that shifted burdens from poor to wealthy, his refusal to use political office as a “workshop” for personal gain. He knew that banking exists within a social contract, and that contract must be continually renewed.
Cosimo I, by contrast, ruled through force and extracted wealth through taxation. He didn’t need public favor because he had monopolized legitimate violence. But look at what happened: the Medici dynasty ended in 1737 with Gian Gastone de’ Medici, dying without heirs, the family’s power exhausted.
The banking route – building trust, facilitating commerce, creating value through financial intermediation – proved more durable than any individual dynasty, but only because new institutions arose to replace the Medici Bank when it lost its way.
The Choice Before Us
We stand at a similar inflection point. Banking has consolidated into institutions of enormous power and complexity. We’ve become so successful that some of us have forgotten why we exist. We’ve grown so large that we’ve lost touch with the communities we serve. We’ve become so profitable that we’ve started to believe we’re entitled to those profits rather than that we must earn them daily.
Giovanni di Bicci understood something we’ve forgotten: banking is a privilege granted by society, not a right inherent to capital. It must be exercised with humility, discretion, and constant attention to the balance between private gain and public good.
The question for every leader in this room is stark: Are you building Giovanni’s bank or Cosimo’s duchy?
Are you creating institutions that will endure because they serve essential functions and maintain public trust? Or are you extracting maximum value from a position of power that you assume will last forever because it’s lasted your entire career?
History suggests that the extraction model eventually fails. The Medici dynasty ended. The banking empire that created it had already ended long before.
But banking itself – the fundamental activity of financial intermediation, of facilitating commerce, of managing risk across time and space – continues. New institutions arise. New Giovanni di Biccis work their way up through the ranks, learn the trade, understand the relationships, and build something that serves a genuine social need.
A Call to Remembering
My challenge to you is this: Remember why we exist. Not the comfortable myths we tell ourselves about shareholder value and efficient capital allocation, but the harder truth that Giovanni di Bicci understood in 1397.
We exist because societies need institutions that can intermediate between surplus and deficit, between present and future, between risk and security. We exist because commerce requires trust at scale, and trust requires institutions that prove themselves worthy of it over time. We exist because someone must do the patient, technical, often unglamorous work of making the financial system function.
That work built the Medici fortune. The abandonment of that work, in favor of more glamorous pursuits, ultimately ended the Medici dynasty.
Which legacy will we leave?
The choice, as it was for Giovanni five centuries ago, is ours to make. But unlike Giovanni, we have the benefit of knowing how the story ends – both the triumph of the bank he built and the decline of the dynasty it created.
Let us have the wisdom to learn from both.
The Uffizi still stands in Florence, housing one of the world’s great art collections. The Medici Bank exists only in history books. Think carefully about which institution you’re building, and for whom.
