Knowledge · B2B Sales

Key Person · Decision Maker

Decision Maker / Key Man

📂B2B Sales⏱2-min read📊Practical🔗4 related

What is a key decision-maker?

In one line
The person who gives final approval for a purchase or holds decisive influence over it. In B2B, finding the real decision maker early is the key to winning the deal.
⚡ Summary in 3 lines
  • The person who gives final approval for a purchase
  • The key is finding the real decision-maker early
  • Deals stall if you only work with your day-to-day contact

Finding the key person is not about picking the highest title in your business card holder. It is about mapping the path along which money actually moves inside that company. Once you adopt this view, even the unit you use to count sales activity changes. It shifts from 'How many meetings did we have this month?' to how many of the people on the approval line have we met in person, and meeting the one person whose face you have never seen raises your win probability far more than polishing the proposal a fifth time.

In practice, you need to tell at least three types of people apart: the person who gives final budget approval; the veto holder who can overturn a deal with a single 'that's against policy' (procurement, legal, information security); and the champion who persuades internally on your behalf. These are usually three different people, and lumping the champion and the decision-maker together is the most common mistake. Most Korean companies set delegated approval limits by amount: for example, KRW 30 million (≈ US$22,400) falls under the team leader's authority, while anything over KRW 100 million (≈ US$74,800) goes up to the CEO. In other words, when your proposal amount changes, so does the key decision-maker. That is why, before writing the quotation, you should first ask, 'How far up did approval go last year for a deal of this size?'

The most common mistake is assuming you should simply reach someone senior fast. If you skip your day-to-day contact and email an executive, or push the deal in from above through a personal connection, it will almost certainly be handed back down to that contact. A contact who feels bypassed won't oppose you openly. Pushing your deal down the review queue is enough, and the cost comes back as delay, not as opposition. The opposite is risky too: relying on a single key person. One executive reshuffle can send a deal you spent six months on back to square one overnight, so it is safer to build relationships with at least two people on the approval line.

Training that covers this term · Negotiation & Sales
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💡 In plain English
No matter how much the working-level staff like it in the meeting, you won’t get a signed contract if you never meet the person with final sign-off.
Why it matters in practice
The person you work hardest to meet is often not the decision-maker. The ability to read influence structures inside an organization determines the length of your sales cycle.
Origin and sources

The concept of the 'Buying Center,' in which several people make a purchase decision together, was presented by Frederick Webster and Yoram Wind (Webster & Wind) in a 1972 paper, which defined five roles: user, influencer, buyer, decider, and gatekeeper.

Source · Webster & Wind, “A General Model for Understanding Organizational Buying Behavior” (1972) · Read the original
An example

Let’s look at a hypothetical case: Company A, an auto parts manufacturer with 1,200 employees and annual revenue of KRW 320 (≈ US$1) billion, where a leadership program for team leads was being proposed. The team had met the assistant manager in charge of training eight times over four months, but the answer was always 'under internal review.' The KRW 80 million (≈ US$59,900) proposal sat stalled.

  1. When the team asked the assistant manager, 'Last year, whose approval did a program of this size go up to?', the answer was that anything over KRW 50 million (≈ US$37,400) is not decided by HR but by the Head of Management Support, who has final sign-off authority.
  2. Rather than bypassing the assistant manager, we made a separate two-page A4 summary for them to use when reporting to the division head. The cover stated the numbers outright: '96 team leaders, KRW 830,000 (≈ US$620) per person.'
  3. The procurement manager put on the brakes, saying 'we can't submit an approval request on a single quote,' so within two days we rebuilt and re-sent a three-vendor comparison quote and a training vendor selection rationale in the required format.
  4. We interviewed three production division team leaders and quoted them word for word: 'Nobody ever taught us how to hold one-on-ones after we became team leaders.' The assistant manager then took action, saying, 'I'll bring this to the division head myself.'
  5. The 30-minute meeting with the division head skipped any talk of satisfaction and opened with the numbers: '11 team leads left last year, and each replacement hire cost KRW 14 million (≈ US$10,500).' The division head replied, 'At that cost, it's worth a try.'
  6. A deal that had been stalled for four months cleared approval in two weeks and closed as a KRW 80 million (≈ US$59,900) contract. The following year, the 96-person program expanded into a 240-person annual contract worth KRW 210 million (≈ US$157,100).
Related terms
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Last updated 13 Sep 2026 · Reviewed by John Kim

FAQ

You find out through questions like 'Who gives final approval on this?' and through a map of the people involved (a buying-involvement map).
Very important. The day-to-day contact can become an internal advocate, so the effective strategy is to win them over as an ally while working your way toward the key decision-maker.
Even if the day-to-day contact likes you, the contract stalls if you can’t reach the decision-maker. You need to build that contact early.
We approach them through an introduction from the day-to-day contact, high-value insights, and messaging aimed at senior stakeholders.