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The economics of decision-making

A confidential sparring partner for chief executivesWhat it is, and what it is not

The chief executive’s sparring partner is a role borrowed from boxing, which business is rediscovering in the age of AI. Neither coach, nor consultant, nor machine: a peer who has run a business and who strikes where decisions are fragile.

Peter Guillon · 11 July 2026 · 3 min read

The term comes from boxing. A sparring partner is not there to win the fight, but to make sure you do not lose the real one. A sparring partner hits hard, but within a setting where a mistake teaches rather than costs.

Applied to running a business, the role is easily defined: a training partner for decisions. You arrive with a decision in progress: a sale, a reorganisation, an investment, a departure. The sparring partner puts it to the test: which assumptions hold, which rest on an impression, what deferring it would cost, what you would rather not see. You leave with a sounder decision, or a better reason to wait.

Why the need is growing now. Two forces are combining. The first is long-standing: some decisions can be shared neither with the executive committee nor with the board, and the isolation of the chief executive is the last blind spot in organisations. The second is new: artificial intelligence now answers faster than you can assess. A chief executive receives in a few seconds analyses that once took weeks to obtain; the bottleneck has shifted from information to judgement. The faster the answers arrive, the more the capacity to test them becomes the limiting factor.

What a sparring partner is not. Not a certified coach: the coach works on the person, the sparring partner works on the decision. Not a consultant: a sparring partner delivers no report and no recommendation without standing behind what follows. And where artificial intelligence offers suggestions while answering for nothing, the value of a sparring partner lies precisely in staking experience and reputation on the challenge put to you.

What to require. Three things. That they have genuinely run a business, for long enough to have faced your decisions from the same side of the table: a challenge from a peer carries a different weight from that of an observer. That they are bound by complete confidentiality, with no written record and nothing on file. And that they hit: a sparring partner who spares you is training you to lose.

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

Every organisation has its fights. The question is not how to avoid them, but how to arrive trained.

Peter Guillon

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

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