The 4 most common mistakes when creating your B2B buyer persona
ICX Consulting, a commercial strategy and customer experience consultancy, sees the 4 most common mistakes when creating your B2B buyer persona...
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9 min read
Katerine Rodriguez | May 29, 2025
9 min read
Katerine Rodriguez | May 29, 2025
Understanding your buyer persona means knowing three profiles, not one. The good is the ideal customer you can help and serve profitably. The bad is the negative buyer persona who will never be a sustainable client. And the CEO reminds you that in B2B the person who researches your solution is rarely the only one who decides.
Consider the pipeline review at a medical equipment distributor. Marketing reports forty new leads from a webinar, and the sales director points out that thirty of them are students, consultants and small clinics that cannot meet the minimum order. Of the ten that matter, six went quiet after a good first call. When the team traces one of those deals, they discover that the person who attended every meeting was a biomedical engineer who loved the product, while the hospital's finance director, whom nobody had met, quietly stopped the purchase. The company had a persona on a slide. What it lacked was an understanding of who to attract, who to decline and who really signs.
Starting the construction of a buyer persona is not an easy task, and there is no point pretending otherwise. Yet the effort pays off at the top of the income statement. When a company is clear about who it should attract, who it should politely decline and who really signs the purchase order, marketing stops funding the wrong audiences, sales stops chasing deals that will never close and service stops absorbing customers it was never designed to serve. The result is a shorter sales cycle, a healthier margin per account and a lower cost to acquire and serve. This article walks through each of the three profiles and closes with a practical way to review your own.
The buyer persona is the semi-fictional representation of your ideal buyer, built from real research about the people who buy from you. Most teams stop there and describe one attractive profile. The more useful exercise is to understand it from three angles, because each one answers a different business question. The ideal persona answers who the company can help best and most profitably, and it guides messaging, content, channel mix and offer design. The negative persona answers who the company should not pursue even when they show interest, and it guides lead qualification, sales focus and minimum order rules. The buying committee answers who influences, approves or blocks the purchase, and it guides account strategy, content for each role and proposal design.
You must also consider the extreme factors that can move a contact from negative to positive, or the reverse. A company that was too small last year may now fit after a funding round, and a loyal customer may become unprofitable after a change in its buying model. Understanding the persona is therefore a recurring discipline, not a one-time document.
A great buyer persona begins with a semi-fictional character. The team gives her a memorable name and an image, because a persona that feels real is one that people mention in meetings. Around that character sits her day to day, which means her routine, how she distributes her time across activities, the social circles where she mainly moves and the networks or channels where she communicates. Demographics and biography complete the picture with an age range, a professional profile and where she lives, so that everyone on the team can picture the same person.
The next layer is what she wants and what stops her. Her objectives describe where she is going and where she sees herself in five, ten or twenty years, which gives clues about how the company can help her in the long run and not only in the next purchase. Her pain points are the obstacles that keep her from achieving those goals, and her common objections explain why she might not buy your product or service. A mature profile includes an answer for each objection, and it also records the type of experience she wants, because every person perceives the search for a solution differently and feels confident and well served in different ways.
With these points mapped, the quality test is simple. If a seller, a marketer and a service agent read the profile, would they describe the same person and make similar decisions about her? If the answer is no, the persona is still too vague. The guide on building your buyer persona in three steps explains how to collect the evidence behind each of these points.
Even in business purchases, people buy for personal as well as corporate reasons. Bain's research published in Harvard Business Review identified 40 B2B elements of value, ranging from objective factors such as price and specifications to subjective ones such as reducing the buyer's anxiety or enhancing their reputation, and found that these personal considerations matter more as offerings become commoditized. That is why the objectives, pain points and desired experience in your persona are not soft details. They are often what differentiates two suppliers with similar products.
A negative buyer persona, sometimes called an impossible buyer persona, describes the people who can never be your client because they do not meet the minimum requirements for your business to function well or be sustainable over time. Pursuing them gives your team headaches and does not help the business grow. Mapping these profiles within your strategy eliminates ambiguity in your ideal buyer persona model and lets you identify, from the first contact, when a customer is potentially bad for your business. It does not require a large exercise. Identify broadly, and with a name, who would not benefit the company, segmenting by large areas.
Consider a simple example. Imagine a person who only buys one box of shoes, while your business only sells packages of ten boxes. It is impossible for you to sell your boxes one by one, and your sales team would spend too much time looking for buyers to clear the inventory unit by unit. With that example alone you already have a first filter for who cannot be your buyer persona.
The signals tend to repeat. The required order size, budget or contract term sits below what your operating model can serve profitably. The problem they want solved lies outside your core offer, so success would depend on heavy customization. Their expectations of price, speed or service level are incompatible with your cost to serve. Some are researching for academic or competitive purposes and have no buying intent. And past customers with the same profile churned quickly or generated a disproportionate number of support cases, which is often the most reliable evidence of all, because it comes from your own results.
To define this profile you must be clear about your objectives and about how you can help your clients. That clarity also tells you whom you must leave on the way because you cannot help them with their problems, and you should not feel guilty about it. This often happens when a business has a defined growth path and wants to raise its level. Saying no to the wrong customer is what frees capacity to serve the right one.
The negative persona only creates value when it changes behavior. Translate it into explicit disqualification criteria in your CRM, form fields that capture the data needed to apply them, and lead scoring that subtracts points when a negative signal appears. Share the criteria with marketing, so campaigns stop attracting the profile, and with sales, so sellers can exit conversations early and respectfully. A software company that sells annual enterprise licenses, for example, can stop paying to attract freelancers who will only ever want a monthly plan, and its sellers can redirect those contacts to a self-service resource in a single, courteous message.
After identifying whom you can help and whom you cannot, determine whether your buyer is ultimately the one who makes the decision or whether that person is influenced by other people and factors around them. A common mistake when building B2B buyer personas is to think that the CEO is ALWAYS the person who makes the final decision. In Inbound Marketing you need to consider every factor that can influence your client's decision, both external and internal, because each person is constantly influenced by multiple channels and people, from family and friends to coworkers.
The evidence supports this view. Forrester reports that on average 13 people within an organization are involved in a buying decision, and 89% of purchases involve two or more departments. Gartner describes six distinct buying jobs, from problem identification to consensus creation, and notes that most B2B buyers revisit nearly every buying job at least once before they make a purchase. A purchase is a negotiation among several people, not a single executive signature.
Consider also that whoever uses your products, reads the content on your website or investigates your solutions is usually not a member of the executive team. As HubSpot's Chatterjee argued in his post "The CEO Is Not Your Primary Buyer Persona", the decision maker will likely never see your content if it is not focused on the audience that actually advises that decision maker.
| Role | What they care about | What they need from you |
|---|---|---|
| CEO or economic buyer | Strategic fit, growth, risk and return | A clear business case and evidence from similar companies |
| Champion or project lead | Solving the operational problem and looking good internally | Arguments and materials to sell the project inside the company |
| Technical evaluator | Integration, security, data and feasibility | Documentation, architecture and honest answers about limits |
| Finance and procurement | Total cost, terms and supplier risk | Transparent pricing, ROI assumptions and contract clarity |
| End users | Ease of use and impact on daily work | Demos, training plans and peer references |
Run campaigns that provide solutions to the people who will use your product, and give the CEO the inputs needed to see that their customers' problems are also your problems. Then focus on understanding what keeps the executive team awake at night and how you can help solve it. Return for a moment to the equipment distributor. Its biomedical engineer was the champion, and the finance director was the unmet role. A single piece of content addressing total cost of ownership, delivered through the champion, would have given the committee what it needed. The article on how a buyer persona improves the sales process shows how sellers can use these roles in discovery and proposals.
The good, the bad and the CEO are not separate documents. Together they form a decision system for the whole revenue team. Marketing creates content for each role in the buying committee while excluding the negative persona from paid targeting and offers. Sales qualifies against both the ideal and the negative profile and builds relationships with several contacts instead of relying on a single one. Service uses the desired experience and objectives of the ideal persona to design onboarding and success plans. Leadership reviews win rates, deal size and retention by persona to decide where to invest.
All these practices can be applied within your Inbound Marketing strategy, and they become far more powerful when the CRM records the persona, the committee role and the disqualification reason for every contact. At that point the profiles stop being a workshop output and turn into data that the company can analyze, which is where the strategic value begins.
For the CEO and the CMO, the first decision is where acquisition money goes. A company that invests only in the executive who signs reaches a fraction of the people who shape the outcome, while one that builds content and conversations for every member of the buying committee attracts more qualified interest at a lower cost per opportunity. The same clarity helps the sales director convert, because explicit criteria let sellers leave negative-persona opportunities early and spend their hours multi-threading the good ones, which is how deals survive the departure of a single champion.
The CFO and the service leader should see the profiles as a lever on retention and efficiency. Onboarding designed around the long-term objectives captured for the ideal persona lets customers see progress toward the goals that made them buy, and that progress is what sustains renewals and loyalty. Filtering out the negative persona, in turn, reduces wasted acquisition spend, seller time and cost to serve. The question for the executive committee is not whether the company has personas, but whether those personas change a decision in the next quarter's budget.
Start with what you already have. Gather your current personas and read each one against the points of a great buyer persona described above, noting where the profile is vague or invented rather than researched. Then write one negative buyer persona, with a name and at least three concrete disqualification criteria, and share it with sales for a reality check. Sellers usually recognize the profile immediately and can add signals that never reached the CRM.
Next, choose five recent won deals and five lost deals and list every person who influenced each decision. Compare those lists with the buying committee table and identify the roles your content does not address, because the gaps between the two usually explain the deals that stalled without an obvious reason. Add the persona, the committee role and the disqualification reason as fields in your CRM so that results can be reported by profile, and review them after one quarter to adjust the personas with evidence instead of opinion.
ICX Consulting helps commercial teams define ideal and negative personas and map buying committees as part of their growth strategy. Through our buyer persona development services and the ICX Compass methodology, we connect each profile to the customer journey, and through account-based marketing consulting we help you reach every stakeholder who shapes the decision. We then implement the criteria in your CRM so marketing, sales and service apply them every day.
To document your own profiles, use the ICX Persona Playbook toolkit, which guides you through the research and structure of each persona and helps you share it with your teams.

One or two are usually enough. The aim is not to describe every unsuitable contact but to give teams clear signals for the most frequent and costly mismatches. Start with the profile that consumes the most sales or service time without converting, then add another only if a distinct pattern appears.
Yes. Companies change size, budget and priorities, and your own offer evolves. A profile that was unprofitable may fit after you launch a self-service plan or a smaller package. Review negative personas whenever you change pricing, packaging or channels, and keep the disqualification reason in the CRM so you can re-engage when circumstances change.
Create full personas only for the roles that consistently influence the decision and need different messages, typically the economic buyer, the champion and the technical evaluator. For secondary roles, a short role card with priorities, questions and required evidence is enough to guide content and sales conversations.
Ask directly during discovery who else will evaluate, approve or use the solution, and how similar decisions were made in the past. Then confirm with behavior, such as who attends demos, who requests documents and who raises objections. Win and loss interviews with customers are the most reliable source over time.
If your team keeps winning interest from contacts who never become customers, or losing deals to people you never met, your buyer personas probably need a sharper view of the good, the bad and the committee behind the CEO. Talk to an ICX consultant and we will help you focus your commercial effort on the customers and decision makers who truly drive your growth.
ICX Consulting, a commercial strategy and customer experience consultancy, sees the 4 most common mistakes when creating your B2B buyer persona...
A buyer persona is a research-based, semi-fictional representation of your ideal customer, and building one takes three steps. Collect real...
ICX Consulting, a commercial strategy and customer experience firm, helps leadership teams turn buyer personas into characters everyone remembers. A...