Regardless of what the org chart says, every executive team unconsciously assigns five informal roles to its members. The team operates on the informal roles, not the formal ones. The leaders who notice this earliest get to choose which role they are playing.

Spend enough time inside senior leadership teams and the pattern becomes impossible to miss. The Chief Marketing Officer is the team's optimism source. The Chief Operating Officer is the brake. The Chief Financial Officer is the conscience. The Chief Strategy Officer is the dreamer. The Head of HR is the truth-teller.

Move any of those people to a different team and a different role would emerge. The roles are not properties of the individuals. They are properties of the team.

This is what the Tavistock tradition calls "valency": the team's tendency to recruit members into informal roles based on a combination of individual disposition and group need. Every senior team has them. Most senior teams cannot see them.

The five roles

Across hundreds of executive teams, five roles recur with consistency.

1. The carrier

The carrier holds the team's anxiety. They are the leader who, when something goes wrong, feels it most viscerally and works hardest to fix it. The team unconsciously offloads concern onto them. They look diligent, sometimes heroic, often exhausted. When they leave the team, the anxiety they were absorbing redistributes, often messily.

Senior leaders with a high carrier valency frequently burn out. Not because they are doing more work than peers, but because they are doing the team's emotional work in addition to their own.

2. The brake

The brake represents caution. They surface risk, raise concerns, slow the team down when it is moving too fast. In healthy teams, this is genuinely valuable. In teams that have over-recruited the brake, it becomes the function this leader is locked into, regardless of whether the situation actually calls for caution.

The brake is often, on paper, the CFO or General Counsel. The role does not require those titles. Any senior leader can be recruited into it.

3. The engine

The engine represents momentum. They drive forward, push for action, refuse to accept that something cannot be done. In healthy teams, the engine is what gets the team through ambiguity. In teams that have over-recruited the engine, this leader is doing emotional work for the rest of the room, supplying urgency the rest of the team has stopped supplying for itself.

The engine often appears as the COO or a Chief Commercial Officer. Again, the role is not bound to the title.

4. The conscience

The conscience surfaces what the team is avoiding. They are the leader who, when everyone else is in agreement, asks whether the agreement is real. They name the cost of the decision the team is about to make. They raise ethical, cultural, or relational concerns the team is conveniently overlooking.

The conscience role is the one most senior teams claim to want and most consistently punish. Leaders who play this role well are valuable. Leaders who play it constantly become marginalised, because the team starts to associate them with discomfort and routes around them.

5. The diplomat

The diplomat manages the team's relationships. They smooth over conflict, broker between disagreements, find the framing that lets two leaders save face. In healthy teams, this work is genuine and necessary. In teams that have over-recruited the diplomat, the diplomat is doing the conflict-avoidance for the rest of the team, allowing the team to never actually confront its disagreements.

The diplomat is often the Chief HR Officer or a senior staff role. Sometimes the CEO themselves slips into this role, which is a sign the team is in serious trouble.

What this looks like in Saudi senior teams

Three observations from running team coaching across Saudi enterprises.

The diplomat valency is heavily over-recruited in many Saudi executive committees. Cultural norms around relational decorum mean someone, often unconsciously, takes on the work of holding the room together. The downside is that real conflict never reaches the surface. Every senior team coaching engagement we run has to address this directly.

The conscience role is harder to play in family-influenced enterprises. The leader who plays this role consistently risks being read as disloyal, particularly if the conscience challenges family dynamics. Many Saudi senior teams have an understaffed conscience role for this reason, with predictable consequences.

The brake-engine pairing is often misallocated. In transformation contexts, where the company is moving fast under Vision 2030 mandates, the team needs both. We frequently see teams where one leader is locked into the brake and starting to be resented for it, while no one is genuinely playing the engine role. Rebalancing this is often a high-leverage early move.

What changes when these roles become visible

Once a team can see which valencies have been over-recruited and which are missing, the team can choose differently. Not by reassigning roles, which the team cannot do, but by making the dynamic explicit and inviting members into different patterns.

"We have over-recruited Khalid into the brake position. We need to stop dropping every concern into his lap. The rest of us need to surface our own caution."

"We have not had a real conscience function on this team for a year. We are missing things because of it. Who is willing to take that role on consciously?"

These conversations sound mechanical. They are. The shift from a team that operates on unconscious valencies to a team that operates on explicit role choices is one of the highest-leverage moves any executive committee can make. It typically takes a sustained team coaching engagement to land it, because the system will pull the team back into its old patterns whenever attention drops.

A diagnostic question for any senior leader

If you are sitting on an executive committee, before your next meeting, ask yourself:

Which of these five roles am I playing on this team, and is it the role I want to be playing?

The answer is rarely what the leader expects. Many leaders discover they have been playing one role for years without naming it, and that doing so consciously, or letting it go, would change their experience of the committee dramatically.

The bottom line

Executive teams operate on informal roles, not formal ones. The team that learns to see its own valencies stops being controlled by them. The leaders who learn this earliest stop being unconscious carriers, brakes, or diplomats and start being something more useful: conscious choosers of how they want to show up.

For more on the system-level patterns underneath, see What the Tavistock Institute teaches about why your leadership team stalls.

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FAQ

What is a team valency? Team valency, a term from the Tavistock tradition, describes the unconscious tendency of a group to recruit members into specific informal roles based on a combination of individual disposition and group need. Most executive teams operate on valencies without realising it.

Can senior leaders change which role they are playing? Yes, but rarely without external help. The system that produced the role will keep pulling the leader back into it. Sustained team coaching, which makes the dynamic visible to the team itself, is the most reliable way to enable role change.

Are these roles negative? No. Each of the five roles is genuinely useful in moderation. The problem is over-recruitment: when one leader is locked into a role disproportionately, or when a needed role is missing entirely.