From Inside-Out To Outside-In
Most organizations default to an inside-out view: they organize around internal structures, services, and what they already sell. That often leads to endless prioritization debates where marketing, business, product, and UX teams each advocate for different customer groups without a shared foundation. An executive then overrides the discussion in favor of a completely different segment, and the cycle restarts.
The root cause is usually missing alignment on who the company serves, historically and strategically. Teams may use the same high-level terms, but there is no shared understanding of segment definitions, goals, pain points, or jobs-to-be-done (JTBD). A user segmentation matrix offers a way out: co-created across departments, it visualizes the relevance of and differences between customer segments, enabling evidence-based prioritization instead of top-down decisions.
Segments Versus Personas
Two tools dominate customer understanding: personas and segmentations. Product and UX personas represent the characteristics, needs, motivations, and experience of an ideal customer, helping teams empathize and solve specific use cases. Marketing personas traditionally focus on age, socio-demographics, education, and geography — good for targeting but weak for identifying new solutions or helping teams prioritize.
User segments, by contrast, classify groups of customers with shared needs, characteristics, and actions. They are deliberately high-level, providing a broad overview of a market’s wants and needs rather than telling a detailed story. As Simon Penny notes, segments help you understand a marketplace; personas help you understand the lived experience of a group within it. What all segmentation approaches share — including the matrix proposed here — is that segments differ from each other but do not need to be mutually exclusive.
The matrix’s value lies less in its final form and more in the process of building it. The point is not the output alone but the co-creation that produces a shared mental model across teams.
At its core, the idea of the user segmentation matrix is meant to create a shared mental model across teams and departments of an organization to enable better decision-making and collaboration.
The matrix follows the principle of “just enough, not too much”: it pulls key elements from existing tools like User Journeys or Jobs-to-be-done into one visual reference, without descending into detail that creates confusion.
Case Study: Aligning a Disconnected Data Organization
A global B2B data products organization illustrates the problem. Driven partly by NGO-style societal impact and partly by revenue concerns, it had operated for decades with low product and UX maturity. Its service offering had grown organically into an unsustainable collection of bespoke solutions for individual clients.
The business focus had always been what can we offer and sell? rather than what are our customers trying to solve? Two problems needed solving:
- Help executives and department leaders across Marketing, Sales, Business, and Data Science see the value of customer-first product thinking.
- Establish a shared mental model of key customer segments to prioritize with focus and reduce the overgrown service portfolio.
The work was led by a fractional product leader together with two external consultants and three in-house colleagues, following an initial discovery workshop.
How the Matrix Was Built
Initial conversations revealed no existing personas, user insights, or customer data that could serve as a common reference. Business and account management teams had extensive customer contact and market knowledge, and marketing had started on personas — but those were not widely adopted. The organization was operating entirely inside-out.
The team’s approach unfolded in five steps:
1. Gather all existing research. The team collected user insights, customer feedback, analytics data, revenue figures, and documentation across departments, mapping everything on a large board. Crucially, they spoke to people in each department to capture current thinking and terminology without imposing a predefined framework.
2. Draft the scaffolding. A small working group synthesized all input into a draft matrix with assumed segments, giving them provisional labels and definitions. They reduced complexity, settled on simple terms, and introduced primary versus secondary groups based on team feedback. This draft was then shared with stakeholders for review, always marked as such, with an open workboard for asynchronous contributions.
3. Refine through joint sense-making. Multiple rounds of review with stakeholders across departments filled in the matrix with increasing detail. Commenting on the whole canvas surfaced different priorities between primary and secondary groups, driven by segment size, pain points, and revenue numbers.
4. Prompt for consistent detail. The team specifically solicited insights on segment definitions, pain points, goals, jobs to be done, and what distinguishes each segment from others — ensuring comparable information across all segments so the matrix could be used for real comparison.
5. Communicate to leadership. Senior stakeholders had been involved throughout, so final sign-off was straightforward. With their alignment secured, the matrix could be circulated widely as the organization’s shared reference.
Practical Learnings
The effort took around three weeks of concentrated work but about three months in calendar time, given global time zones, summer holidays, and alignment activities. The work ran alongside other responsibilities, which kept the team plugged into organizational reality.
Having in-house advocates with deep organizational and subject-matter expertise was essential. They brought the organization along far more effectively than external consultants alone could have, preventing blind spots and building durable buy-in across departments. The result was a shared canvas that created transparency around user and business priorities — replacing inside-out instincts with an outside-in foundation for decision-making.
Choosing The Right Dimensions
Defining who to group together is only half the work. To make a user segmentation matrix genuinely useful for cross-team alignment, the dimensions chosen must paint a complete and comparable picture of each group.
The dimensions we relied on covered six key facets:
- Segment definition. Describe the group in plain, simple language without acronyms. Where available, add useful context like segment size and the revenue it generates.
- Main goals. From the user's perspective, what are their overarching, long-term objectives? This operates at a higher level than specific tasks or jobs-to-be-done.
- Jobs-to-be-done. Identify the key practical tasks this group needs to accomplish to complete their work, regardless of whether your product currently supports them. This is not an exhaustive mapping but rather a call-out of exemplary tasks.
- Differentiation. Explicitly note how this segment's needs differ from others. If they are too similar, they may not be a separate group.
- Main pain points. What recurring issues does this segment face with your service or product?
- Key contacts. Identify the best internal sources of knowledge about this segment. Often these are the interview partners who contributed to the matrix, coming from any department, with Business or Product teams as common starting points.
Seeing all the segments together in a matrix format is the final piece:
What Alignment Actually Looks Like
The most significant effect of this exercise is that mapping segments side by side reframes the conversation from internal structure to an outside-in, customer-first view. Merely naming segments and agreeing on which are primary versus secondary introduces a level of transparency and a shared vocabulary for priorities that previously did not exist.
The process itself builds buy-in. Keeping the matrix in a DRAFT state during development encouraged feedback and edits, making stakeholders feel part of the creation. This approach converts the artifact into a tool for ongoing conversation and feedback loops rather than a static deliverable.
In our case, every key stakeholder, including several from the executive team, were given at least two chances to review and contribute to the matrix. This managed to secure agreement on terminology, issues, and priorities before the final version was locked. A real-world example, with inputs anonymized, is shown below:
Practical Outcomes And Watch-Outs
The matrix helped achieve three notable outcomes:
- Transparency: Sales and Business teams gained a clearer understanding of how their requests were prioritized, especially by seeing the contrast between primary and secondary segments.
- Customer-first thinking: The overview encouraged the executive team to consider customers rather than business units, which made new opportunities more visible.
- A data-driven roadmap: The process highlighted gaps in existing knowledge and the need to gather better performance data, such as revenue per segment and more granular user tracking.
The biggest challenges were organizational, not analytical. In a global or larger organization, expect multiple rounds of feedback to align stakeholders. Build buffer time proportional to the size of the organization, or plan for last-minute changes in interview partners. Smaller or mid-sized companies with existing data can move much faster, though they should still be deliberate about selecting contributors.
Internal advocates who conduct interviews and actively participate are crucial for maintaining momentum and securing cross-org buy-in, especially when things get political. Sticking with the terminology and definitions used by stakeholders from Marketing, Product, Business, Sales, and Leadership — even in early drafts — builds trust and ensures that people see their input reflected in the final output.
The selection of who gets to input is a tightrope walk between speed and inclusion. A "snowball system" works well here: start with a C-level sponsor to identify the key leadership contacts, then ask each leader to name three to four leads in their part of the organization. These leads contribute their insights through interviews and have asynchronous access to the shared workboard.
When This Tool Adds Value
This matrix makes sense when an organization is still product- or feature-centric and suffers from conflicting departmental priorities. It is the intervention that forces an outside-in view.
If you already have clearly defined and agreed-upon segments, you do not need this exercise. The same applies when teams are serving a narrow, well-scoped segment with a high degree of internal alignment on focus and issues — a full matrix would be overhead.
Building On The First Version
The aligned matrix is not the finish line. Its ongoing value depends on communication and continuous iteration. Treat it as a living document, not a display piece.
- For broader organizational alignment: Distribute it far and wide. Have executive sponsors bring it to their meetings, run a roadshow or open office hours to walk through it, and consider presenting it at an all-hands to launch an insights library per segment.
- For product-led transitions: Use the matrix as a baseline for auditing your current product portfolio. Determine which products are relevant for which segments, evaluate user and business value, and identify "featuritis" that can be cleaned out.
- For filling knowledge gaps: Address the blind spots the matrix reveals. Plan deeper discovery calls, interviews, and user journey mapping to fill in missing information.
The matrix is a navigational tool that enables better decision-making across teams. Since the market changes, it needs regular updates to stay accurate. At its core, the value proposition is the process itself — the co-created, shared artifact matters less than the alignment and focus it generates within the teams that build and use it.




