THE VISION

The Secretary-General’s job is easiest to misunderstand when nothing dramatic is happening.

Most days, the work is meetings, phone calls, careful statements, and long stretches of negotiation that the public never sees. 

But the role changes when the world starts to shift: when a crisis escalates, a risk becomes undeniable, or an old approach stops working. These windows are brief, and if leadership hesitates, they can disappear.

Looking back at historic moments when Secretary-General leadership has mattered most can teach us about the kind of vision the next Secretary-General will need. 

Vision, in this job, is not personal ambition or a ten-year plan.

It is the ability to recognize when the international system is approaching a tipping point.

To see when pressure is building, when old assumptions are no longer holding, and to act while there is still time to shape what happens next.

What Tipping Points Look Like in Practice  

Tipping points tend to emerge from one or more of these patterns: 

1. A crisis makes doing nothing too risky
2. People feel a strong moral urgency, and leaders are ready to act 
3. There are already plans or negotiations in place that can move forward quickly
4. The narrative shifts, making it possible for countries to work together in new ways.

Let’s see what that looks like in practice.

Dag Hammarskjöld and the Congo Crisis

When Congo’s post-independence crisis threatened to draw the United States and the Soviet Union into direct confrontation, Dag Hammarskjöld moved quickly.

Using quiet diplomacy and the Secretary-General’s “good offices,” he helped launch the UN’s first large-scale peacekeeping operation: a tool the organization had never used before. The mission did not resolve the conflict, but it prevented escalation at a dangerous Cold War moment.

Hammarskjöld’s intervention showed how timely action, even without enforcement power, could reshape events and establish peacekeeping as a defining function of the role.

Kofi Annan and the Millennium Development Goals

By the late 1990s, extreme poverty and preventable disease affected hundreds of millions of people, and it was increasingly clear that existing approaches were falling short. Secretary-General Kofi Annan recognized a moment when global concern and political readiness aligned.

Using the Millennium Summit, he unified fractured development agendas from the UN and the World Bank into a single, universal frame — the Millennium Development Goals. These goals were not legally binding, but they gave the world a common way to measure progress and failure.

Annan’s leadership turned moral urgency into coordinated global action and set the foundation for today’s Sustainable Development Goals.

Ban Ki-moon and the Road to the Paris Agreement (2014–2015)

In the years before COP21, climate talks were stalled despite strong scientific evidence and growing public concern.

Secretary-General Ban Ki-moon saw the risk of losing momentum before governments were ready to agree. He used the SG platform to convene heads of state, cities, businesses, scientists, and civil society, keeping climate change at the center of global attention. This sustained engagement helped align actors around a shared direction when UN climate negotiations were ready to move forward.

The result was the political space needed to adopt the Paris Agreement.

António Guterres and Solidarity During COVID-19 (2020)

As COVID-19 spread globally, Secretary-General António Guterres framed the pandemic as a shared human threat rather than a series of national crises. He emphasized that no country would be safe until all were safe, placing cooperation and solidarity at the center of the response.

This framing supported global efforts on humanitarian access, vaccine equity, and coordination. It also helped sustain momentum for stronger global health cooperation, contributing to the push for a Pandemic Accord.

Guterres’ leadership showed how shaping the narrative can redefine what cooperation is for — not only responding to crisis, but preparing for the next one.