January 29, 2026
By Vanguard with the work of Joseph Nye, Robert Cialdini, Amy Edmondson, Herminia Ibarra, and Roger Martin.

The modern executive rarely leads through authority alone. In matrixed organizations, hybrid teams, cross-functional initiatives, and ecosystem-based business models, the people necessary to execute a strategy often do not report to the person responsible for delivering it. They sit in different functions, geographies, business units, partner organizations, vendor systems, regulatory environments, and stakeholder groups. The formal chart may show who manages whom, but it rarely reveals who can actually get things done.

This is why informal power has become one of the defining leadership capabilities of 2026. Leaders still need formal authority, but formal authority is increasingly incomplete. A senior title can approve a budget, convene a meeting, or set a target. It cannot automatically produce trust, alignment, cooperation, or discretionary effort from people who have competing incentives and partial obligations elsewhere. In complex organizations, authority opens the door. Influence moves the work.

The strongest leaders understand this distinction. They do not confuse position with power. They build coalitions before they need them. They cultivate relationships across functions. They become useful to others before asking for support. They use expertise to create credibility, reciprocity to create momentum, and narrative discipline to make shared action possible. They do not merely command participation. They create reasons for people to participate.

This is the new work of coalition leadership. It is not softer than traditional management. In many ways, it is harder. It requires leaders to align stakeholders who may agree on the destination but disagree on cost, timing, ownership, risk, or credit. It requires persuasion without manipulation, patience without passivity, and firmness without relying on hierarchy as the first tool.

The Limits of Hierarchy

Hierarchy remains useful. It creates accountability, decision rights, escalation paths, and managerial clarity. Organizations cannot operate entirely through consensus. But hierarchy becomes less effective when work crosses boundaries. A chief transformation officer may be accountable for digital change, but technology, finance, operations, HR, legal, and commercial teams all control essential pieces of execution. A product leader may own customer experience, but sales, service, engineering, data, compliance, and external partners all shape the outcome. A supply-chain executive may need cooperation from suppliers, logistics providers, regulators, and sustainability teams that sit outside direct authority.

In these environments, the leader’s challenge is not only to decide. It is to mobilize. A mandate from the top can create compliance, but it rarely creates commitment. People may attend meetings, complete assigned tasks, and update dashboards while withholding the deeper forms of cooperation that transformation requires: candor, speed, creativity, problem-solving, and willingness to absorb inconvenience for a larger goal.

This is why so many strategic initiatives stall inside capable organizations. The plan is sound. The executive sponsor is senior. The presentation is persuasive. Yet progress slows because stakeholders do not feel ownership. Functions protect their own priorities. Teams wait for others to move first. Local managers reinterpret the initiative through their own constraints. Partners cooperate publicly but resist privately. The initiative remains formally approved but informally unsupported.

Hierarchy can compel motion. Informal power creates traction.

What Informal Power Really Is

Informal power is the ability to shape behavior without relying primarily on formal authority. It comes from trust, expertise, relationships, reputation, access to information, control of scarce resources, problem-solving capacity, and the perception that working with a leader creates value rather than cost.

Some leaders build informal power through expertise. They are listened to because they understand the business, the customer, the technology, or the risk better than others. Some build it through relationships. People cooperate because they trust their judgment and believe they will act fairly. Others build it through reliability. They deliver what they promise, protect partners from unnecessary exposure, and make complex work easier. Still others build it through narrative. They can explain why a change matters in a way that different groups can see themselves inside.

The important point is that informal power is earned before it is used. Leaders who appear only when they need something often discover they have little influence. Leaders who consistently help others solve problems, share credit, provide clarity, and reduce friction develop reservoirs of trust they can draw upon when the work becomes difficult.

Informal power also depends on restraint. A leader who uses relationships only to pressure people eventually loses credibility. A leader who trades favors cynically turns reciprocity into politics. A leader who claims expertise without listening becomes arrogant. The best informal power is not manipulation. It is the disciplined creation of mutual confidence.

Coalition Leadership in Matrixed Organizations

Matrixed organizations are designed to solve a real problem: no single hierarchy can represent all the dimensions of modern work. Products cut across regions. Customers cut across functions. Technology cuts across business units. Risk cuts across strategy. A matrix allows organizations to share resources, coordinate expertise, and respond to complexity. But it also creates ambiguity.

In a matrix, people often answer to multiple leaders. Priorities compete. Decision rights blur. Meetings multiply. Accountability becomes distributed. The result can be coordination without clarity. Coalition leadership is the skill of making the matrix work despite these tensions.

The first task is to define the shared outcome. Matrixed teams often fail because each function enters the initiative with a different definition of success. Sales wants speed. Legal wants protection. Finance wants discipline. Technology wants architectural integrity. Operations wants feasibility. HR wants adoption. All of these priorities may be legitimate, but without a shared outcome they become competing veto points.

The coalition leader must translate the initiative into a common value proposition. The goal should not be framed only in the language of one function. A digital transformation cannot be only an IT project. A customer-experience initiative cannot be only a marketing project. A cost program cannot be only a finance project. The work must be described in terms that allow multiple stakeholders to see why their participation matters and what success looks like for the enterprise.

The second task is to clarify contributions. Coalition leadership fails when people are invited into broad alignment but not given clear roles. Each stakeholder should know what they control, what they must decide, what they must provide, what they can challenge, and what tradeoffs they are expected to help resolve. Alignment without role clarity becomes conversation. Role clarity turns alignment into execution.

Influence in Hybrid and Distributed Work

Hybrid work has made informal influence more important because the casual infrastructure of relationship-building has weakened. In traditional offices, influence was often built through proximity: hallway conversations, shared lunches, informal check-ins, and the slow accumulation of familiarity. In hybrid and distributed organizations, those moments are less automatic. Leaders must be more intentional about building trust.

This does not mean replacing every informal interaction with another meeting. It means recognizing that influence now requires deliberate relationship architecture. Leaders must identify whose support matters, how often to engage them, what context they need, and where trust may be thin. They must create forums for candor, not just status updates. They must communicate more clearly because distributed work leaves less room for correction through casual conversation.

Hybrid environments also expose weak influence habits. Leaders who relied on physical presence, charisma, or informal access to senior people may find their influence diluted. Leaders who communicate clearly, follow through consistently, and create useful networks may gain influence because their value travels across distance.

The best hybrid coalition leaders do three things well. They make context visible, so people understand how their work connects to the larger effort. They make dependencies explicit, so teams know where coordination is required. And they make trust operational, by following through, sharing information, and creating channels where concerns can be raised early.

In distributed work, silence can look like agreement until it becomes delay. Coalition leaders must learn to detect quiet resistance before it becomes failure.

Ecosystems and External Coalitions

The rise of ecosystem-based strategy has pushed coalition leadership beyond the boundaries of the firm. Many companies now depend on platform partners, suppliers, distributors, regulators, technology vendors, independent developers, universities, industry groups, contractors, and public-sector actors. The company may own the brand, but it does not own the full system required to deliver value.

This changes the logic of influence. External partners cannot be managed like internal employees. They have their own economics, incentives, governance, customers, and constraints. A company that treats ecosystem partners as extensions of its own hierarchy will often face quiet resistance or opportunistic compliance.

Effective ecosystem leadership begins with understanding mutual dependence. What does each partner need from the relationship? What risks are they absorbing? What value do they create? What alternatives do they have? Where do incentives align, and where do they diverge? These questions matter because ecosystem coalitions survive only when participation remains valuable.

The strongest ecosystem leaders create shared standards without pretending there is shared ownership of everything. They define the rules of participation, clarify expectations, protect trust, and build mechanisms for resolving conflict. They also recognize that partners must receive enough value to remain committed. A company that captures too much value from an ecosystem may win in the short term but weaken the system that supports it.

Coalition leadership across ecosystems is therefore a balance between influence and interdependence. The goal is not to control every actor. It is to make coordination more attractive than fragmentation.

The Pitfalls of Coalition Management

Coalition leadership fails in predictable ways. The first pitfall is mistaking agreement for commitment. Stakeholders may nod in the meeting because the goal sounds reasonable or because resistance is politically costly. But agreement becomes commitment only when stakeholders allocate time, resources, reputation, and decision-making energy to the work. Leaders should watch behavior more than language.

The second pitfall is ignoring incentives. A function may support an initiative in principle while being measured against goals that make participation costly. For example, a procurement team may be asked to support supplier resilience while being rewarded mainly for cost reduction. A technology team may be asked to move quickly while being penalized for system instability. A regional leader may be asked to support global standardization while being evaluated on local performance. When incentives conflict, coalition rhetoric loses.

The third pitfall is over-centralizing credit. Coalitions weaken when one leader or function claims disproportionate ownership of shared work. People support initiatives more actively when they believe their contribution will be recognized. Credit is not a ceremonial issue. It is a source of future cooperation.

The fourth pitfall is avoiding conflict. Coalition leadership does not mean keeping everyone comfortable. Misalignment must be surfaced early. Tradeoffs must be named. Tensions around budget, risk, authority, and timing must be resolved rather than hidden. A coalition that avoids conflict often preserves politeness at the cost of progress.

The fifth pitfall is relying too heavily on personal relationships. Relationships matter, but they cannot substitute for structure. A coalition built entirely on personal goodwill may collapse when pressure rises, people rotate roles, or incentives change. Informal influence should be supported by clear governance, decision rights, measures, and escalation paths.

Influence Mapping

Leaders need a practical tool for understanding where influence sits. The first step is to identify stakeholders by role, not only by title. Some people approve decisions. Others shape opinions. Some control data. Others control budgets. Some hold institutional memory. Others can block implementation quietly. A formal org chart rarely captures these differences.

The second step is to assess interest and influence. Some stakeholders care deeply but lack formal power. Others have power but low interest. Some are natural allies. Others are skeptics. Some are undecided but persuadable. The leader’s job is not to treat all stakeholders equally. It is to engage each according to their position in the influence network.

The third step is to identify currencies of value. Influence depends on understanding what others need. One stakeholder may need risk reduction. Another may need speed. Another may need political cover. Another may need data. Another may need budget certainty. Another may need recognition. The leader who understands these currencies can build reciprocity more effectively.

The fourth step is to map dependencies. Who needs whom? Which teams must coordinate for the initiative to move? Where are the bottlenecks? Which actors can delay progress without formally opposing it? Dependency mapping reveals where coalition energy should be focused.

The fifth step is to monitor shifts. Influence networks are dynamic. A stakeholder who is neutral today may become essential tomorrow. A supportive executive may leave. A skeptical function may become an ally after its concerns are addressed. Coalition leadership requires ongoing sensing.

Influence mapping should be used before major initiatives begin, not only after resistance emerges.

Strategies for Building Informal Power

Leaders can build informal power deliberately. The first strategy is to become useful before becoming demanding. Leaders who consistently provide insight, remove obstacles, share information, and support others build credibility. When they later ask for help, the request lands differently.

The second strategy is to develop expertise that others respect. Informal power grows when people believe a leader understands the work, not merely the politics of the work. Executives do not need to be the deepest technical experts in every domain, but they must understand enough to ask good questions, identify weak assumptions, and make sound judgments.

The third strategy is to communicate in stakeholder-specific terms. A single message rarely persuades everyone. The finance leader may need the economic logic. The operations leader may need the feasibility case. The HR leader may need the adoption implications. The legal leader may need the risk boundaries. The customer-facing team may need the market rationale. Tailored communication is not inconsistency. It is respect for different forms of accountability.

The fourth strategy is to share ownership. Coalitions strengthen when people feel they helped shape the plan. Leaders should involve critical stakeholders early enough that their input can still affect the outcome. Late consultation often feels like theater.

The fifth strategy is to protect trust during disagreement. Coalition leaders will not always satisfy everyone. But they can be fair, transparent, and consistent in how decisions are made. People are more likely to accept decisions they dislike if they believe the process was serious and their concerns were heard.

Aligning Disparate Stakeholders

Alignment does not require identical interests. In complex organizations, identical interests are rare. Alignment requires enough overlap for coordinated action.

The leader’s task is to find the shared outcome that different stakeholders can support for their own reasons. A customer-experience redesign may help sales grow revenue, operations reduce rework, technology simplify systems, finance improve retention economics, and HR strengthen employee pride. The same initiative can carry different value for each stakeholder. Coalition leadership makes those connections visible.

Alignment also requires sequencing. Leaders often try to align everyone at once. That can create broad but shallow support. A better approach is to build a core coalition first: the stakeholders whose active support is essential. Once the core group is aligned, the leader can expand outward with greater credibility. Momentum is easier to build when early participants can persuade others from inside their own networks.

Finally, alignment requires visible progress. Coalitions lose energy when initiatives remain abstract. Leaders should identify early wins that matter to multiple stakeholders. These wins should not be superficial. They should demonstrate that collaboration produces results. Visible progress turns coalition support from belief into evidence.

The Leadership Discipline

Informal power is sometimes treated as personality. Some leaders are assumed to “have influence” because they are charismatic, politically skilled, or well connected. But sustainable informal power is a discipline. It can be built, strengthened, and institutionalized.

The discipline begins with humility. Leaders must accept that other people’s constraints are real. A stakeholder who resists may not be difficult. They may be protecting a risk the leader has not understood. Influence begins when leaders listen well enough to distinguish obstruction from legitimate concern.

The discipline also requires patience. Coalitions take time to build, and leaders under pressure often want to skip the relationship work. But speed without alignment often produces rework later. The fastest path is not always the most direct one. Sometimes the best way to accelerate execution is to slow down early enough to build trust.

Finally, coalition leadership requires courage. Leaders must be willing to challenge stakeholders, name conflicts, and make decisions when consensus is impossible. Informal influence is not endless accommodation. It is the ability to create enough legitimacy that difficult decisions can move forward.

The Real Advantage

As organizations become more matrixed, hybrid, and ecosystem-dependent, the ability to lead without absolute authority will distinguish effective executives from merely titled ones. Formal power can assign work. Informal power mobilizes commitment. Formal power can create compliance. Informal power creates cooperation. Formal power can launch change. Informal power helps change survive.

The companies that fail will continue to treat influence as office politics or interpersonal style. They will promote leaders who can manage upward but not across. They will approve initiatives without building coalitions. They will wonder why strategies that looked strong on paper stall in execution.

The companies that succeed will treat coalition leadership as a core managerial capability. They will teach leaders to map influence, understand incentives, build reciprocity, communicate across stakeholder groups, and create shared ownership. They will recognize that the future of work belongs not to leaders who command the most people, but to leaders who can align the most complex systems.

In a world where authority is distributed and execution depends on networks, influence is not optional. It is the operating system of leadership.