Complexity does not reduce the need for direction. It raises the standard of leadership required.
Complexity is now part of the normal operating environment. Technology is changing the economics of work. Geopolitical tension is reshaping markets and supply chains. Social expectations are moving faster than many institutions can respond. Leaders are expected to make consequential decisions while the information available to them remains incomplete, contested or already out of date.
The understandable response is to seek greater certainty: more analysis, another forecast, a wider consultation, one more scenario. Sometimes that is prudent. But beyond a point, the pursuit of certainty becomes a sophisticated form of delay.
McKinsey research illustrates the organisational cost. In a survey of more than 1,200 global leaders, fewer than half said decisions were timely, while 61 per cent reported that at least half the time spent making decisions was ineffective.[1] Complexity is real, but organisational ambiguity often makes it worse: unclear roles, repeated consultation, excessive escalation and decisions that are reopened after they have supposedly been made.
The leadership advantage is therefore not the ability to predict everything. It is the ability to create sufficient clarity for people to act, learn and adjust together.
Clarity is not certainty
Senior leaders sometimes hesitate to provide direction because they cannot answer every question. Yet people rarely require perfect foresight. They need to understand what matters now, what assumptions are being made, where authority sits and what evidence would cause the organisation to change course.
Clarity has at least four components:
- a small number of priorities that genuinely involve choices;
- explicit decision rights and accountabilities;
- a shared understanding of the assumptions carrying the greatest risk; and
- a rhythm for reviewing evidence and adapting action.
This is especially important when organisations operate across businesses, functions or markets. In my own CEO roles, I have had to align previously separate businesses around a shared strategy while economic conditions, client priorities and organisational capacity continued to move. Waiting for a stable environment was not an option. The task was to establish a direction strong enough to coordinate action, but not so rigid that the organisation could not learn.
That distinction matters. Direction without adaptability becomes dogma. Adaptability without direction becomes drift.
Judgement is more than analysis
Data improves decisions, but data does not make them. Strategic decisions involve interpretation: which signals deserve weight, what trade-offs are acceptable, which risks can be carried and when delay becomes more dangerous than action.
Research on strategic decision-making has long recognised that leaders operate with bounded rationality. Decisions are shaped not only by evidence but also by time, cognition, organisational politics and the limits of what can be known.[2] Complexity leadership research similarly shifts attention away from the heroic individual leader and toward the conditions that enable learning, adaptation and coordinated action across a system.[3]
Good judgement therefore combines analysis with experience, challenge and self-awareness. It asks:
- What do we know with reasonable confidence?
- What are we assuming?
- Where are we vulnerable to bias or wishful thinking?
- What decision is reversible, and what decision is not?
- What is the cost of waiting?
The objective is not to remove uncertainty. It is to make uncertainty discussable and manageable.
Alignment is created through involvement, not endless consensus
In complex environments, leaders need access to perspectives beyond their own. Those closest to customers, operations, technology and regulation often see important signals first. Inviting those perspectives improves the quality of the decision and the organisation's ability to implement it.
But involvement and consensus are not the same thing. Consultation should sharpen a decision, not obscure who is accountable for making it. Effective leaders distinguish clearly between who provides a view, who recommends, who decides and who executes.
Once the decision is made, alignment requires more than communicating the conclusion. People need to understand the reasoning, the trade-offs and what the decision changes for them. This is where many strategies weaken: senior leaders believe that because a decision was discussed at the top, the organisation is aligned. It is not.
Alignment becomes real when leaders translate direction into priorities, resource choices, measures, behaviours and operating decisions throughout the organisation.
Decisiveness and learning must coexist
Decisive leadership is sometimes confused with certainty, speed or forcefulness. A more useful definition is the capacity to make and follow through on timely decisions while remaining responsive to evidence. McKinsey's recent organisational-health research found decisive leadership to be a stronger predictor of leadership outcomes than an authoritative, pressure-based approach.[4]
That is an important distinction. Leaders do not create confidence by pretending to know. They create confidence by showing that the organisation has a disciplined way to decide and adapt.
A practical approach is to establish review points when the decision is made:
- What outcomes should we see if our assumptions are right?
- Which indicators would suggest they are wrong?
- When will we review progress?
- Who can recommend a change?
- What must remain stable while other elements adapt?
This turns adaptation from a sign of failure into part of the original leadership design.
The four disciplines of leadership under complexity
Across advisory work and executive accountability, I have found four disciplines particularly important:
1. Frame the decision
Define the real question, the time horizon and the value at stake. Many leadership teams spend considerable energy answering a question that was never framed properly.
2. Create constructive challenge
Invite disconfirming evidence and different perspectives. Separate respectful challenge from personal opposition, and ensure status does not silence expertise.
3. Convert direction into coordinated action
Clarify priorities, decision rights, resources and the operating rhythm. A decision has little value until people understand what they must do differently.
4. Learn without losing momentum
Review evidence, test assumptions and adjust deliberately. Do not allow adaptation to become continual reopening of settled decisions.
A question for leaders
The central leadership question in a complex world is not, "How can we become certain?" It is:
What clarity do our people need from us now in order to move, learn and remain aligned?
Complexity will continue to test leaders. The advantage belongs to those who can hold direction and openness at the same time: clear about purpose and priorities, candid about uncertainty, disciplined in execution and willing to adapt when evidence demands it.
That is not a lesser form of leadership than certainty. It is a more demanding—and more credible—one.
Questions for a leadership team
- Which consequential decision are we delaying in pursuit of information that may never become conclusive?
- Are our people clear about what is fixed, what is flexible and who decides?
- What evidence would cause us to adapt our current course?
- Do our leadership forums create constructive challenge or merely broaden consultation?
- Where is organisational complexity self-created rather than imposed by the market?
Sources and further reading
- McKinsey & Company (2023), What is decision making? https://www.mckinsey.com/featured-insights/mckinsey-explainers/what-is-decision-making
- Eisenhardt, K. M., & Zbaracki, M. J. (1992), “Strategic decision making,” Strategic Management Journal, 13(S2), 17–37. https://doi.org/10.1002/smj.4250130904
- Uhl-Bien, M., Marion, R., & McKelvey, B. (2007), “Complexity Leadership Theory: Shifting leadership from the industrial age to the knowledge era,” The Leadership Quarterly, 18(4), 298–318. https://doi.org/10.1016/j.leaqua.2007.04.002
- McKinsey & Company (2024), Rethinking organizational health for the new world of work. https://www.mckinsey.com/capabilities/people-and-organizational-performance/our-insights/rethinking-organizational-health-for-the-new-world-of-work
- Harvard Business School Working Knowledge (2020), It's Time to Reset Decision-Making in Your Organization. https://www.library.hbs.edu/working-knowledge/it-s-time-to-reset-decision-making-in-your-organization