Two executives seen from behind, talking one-to-one at a small table facing a large window

The economics of decision-making

The CEO sparring partnerWhat it is, and what it is not

The CEO sparring partner is a role that comes from boxing, and one that business is rediscovering in the age of AI. Not a coach, not a consultant, not a machine: a peer who has run a company and who hits where decisions are weak.

Peter Guillon · July 11, 2026 · 3 min read

The term comes from boxing. A sparring partner is not there to win the fight. The job is to make sure you do not lose the real one. A sparring partner hits hard, but in a setting where mistakes teach you something instead of costing you.

Applied to running a company, the role is simple to define: a training partner for decisions. You come in with a decision in progress: a sale, a reorganization, an investment, a departure. Your sparring partner puts it to the test: which assumptions hold, which rest on a hunch, what putting it off would cost, what you do not want to see. You leave with a stronger decision, or a better reason to wait.

Why the need is growing now. Two forces are at work together. The first is old: some decisions cannot be shared with the leadership team or the board, and the isolation of the CEO is the last blind spot in organizations. The second is new: artificial intelligence now answers faster than you can evaluate. A CEO gets in a few seconds the analyses that used to take weeks; the bottleneck has moved from information to judgment. The faster the answers arrive, the more the ability to test them becomes the limiting factor.

What a sparring partner is not. Not a certified coach: a coach works on the person, a sparring partner works on the decision. Not a consultant: a sparring partner hands over no report and no recommendation without standing behind what comes next. And where artificial intelligence makes suggestions without being accountable for anything, the value of a sparring partner lies precisely in putting experience and reputation on the line in the pushback.

What to demand. Three things. That they have actually run a company, long enough to have faced your decisions from the same side of the table: pushback from a peer carries a weight that an observer’s does not. That they are bound by complete confidentiality, with no write-up and no record. And that they hit: a sparring partner who goes easy on you is training you to lose.

How to try it without committing. Exelvys has a trial format: the Flash Read. Thirty minutes on a decision in progress, three signals and one blind spot, no slides and no obligation to continue. If the outside view is useful to you, you will know within half an hour; if not, you will have lost less time than in an average meeting.

Every organization has its fights. The point is not to avoid them. It is to arrive trained.

Peter Guillon

See the definition in the glossary of the economics of decision-making.

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