The corporate ladder is a useful metaphor until it becomes a trap. It suggests that growth has one direction, a limited number of rungs and only one convincing measure of progress: a promotion. Real careers are rarely that orderly.
Inside a large organization, a sideways move can expose someone to a different customer, operating system, discipline or decision-maker. A short assignment can test leadership before a title changes. Mentoring can transfer judgment that no course captures. None of these experiences is automatically valuable, but when the work is real and the support is credible, lateral mobility can expand what a person is capable of doing next.
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In this article
What the Intel Board of Advisors revealed
The most useful example I have seen came from Intel. In the account that originally shaped this essay, strategic account executive Sophia Pollerana was already established in her role managing gaming accounts. She was not simply waiting for the next title. When Intel asked her to help build and lead its Board of Advisors program, the assignment gave her a different kind of responsibility: convening senior industry leaders, shaping the agenda and creating a forum that had to earn its relevance.
Sophia initially framed the commitment as a one-year test. The work continued for years, through her retirement in 2018. The important point is not that every special project becomes a new career. It is that the assignment made capabilities visible that her regular job description could not fully reveal. It required judgment, trust, facilitation and an understanding of the wider industry, not simply more volume of the work she already knew.
I participated in these industry advisory gatherings for roughly a decade and saw comparable forums associated with AMD and NVIDIA. At their best, the meetings created space for executives who competed in the market to put that competition aside long enough to discuss shared problems. That outcome depended on the people responsible for the forum. The project lead was not doing extracurricular decoration. The role carried a real operating mandate.
This distinction matters. Too many companies describe extra work as a development opportunity when what they really mean is unpaid organizational glue. A credible stretch assignment has authority, resources, sponsorship, a defined time commitment and an outcome that the organization values. Without those conditions, “visibility” becomes a polite word for asking a capable person to carry more risk.
A career lattice needs real paths
Lateral mobility is often discussed as though every move is interchangeable. It is not. A transfer into another function, a temporary rotation, a job-shadowing arrangement, a cross-functional project and a mentoring relationship create different kinds of learning. Each needs a different commitment from the organization.
| Path | What it can reveal | What makes it credible |
|---|---|---|
| Stretch project | Leadership, collaboration and delivery outside the normal role | A real problem, named sponsor, decision rights and protected time |
| Job shadowing | How another role actually works before a move | Clear learning questions, consent and time to reflect |
| Temporary rotation | Hands-on experience in another function or market | Training, coverage for the original role and a defined return or transition |
| Mentoring | Judgment, context and access to experience | Mutual expectations, useful matching and psychological safety |
The phrase “career lattice” is better than “career ladder” because it leaves room for this variety. But a lattice is not a collection of random moves. Each path should build at least one of four assets: capability, context, relationships or evidence. If an assignment creates none of them, it is motion without development.
Recent evidence supports treating internal movement as a possible path to later advancement, not as a guarantee. A 2025 preprint analyzing more than 228,000 online career histories found that changing occupations within the same firm was associated with stronger upward mobility than several other kinds of job change. The authors also found unequal returns across demographic groups, which is a useful warning: access to movement does not automatically make opportunity fair.
How to design lateral mobility well
A useful program begins with a business need and a learning need at the same time. The company may need to prepare future leaders, connect departments that misunderstand one another, build expertise in a new market or solve a problem that does not fit neatly inside one function. The employee should gain experience that is legible beyond the assignment itself.
Name the outcome and the learning
“Get exposure” is not a sufficient brief. Define what the person will deliver, which decisions they may make and what they should learn. For the Board of Advisors, the work was concrete: create and operate a forum that senior participants found useful. The learning followed from the responsibility rather than replacing it.
Protect the time
Development work fails when it is stacked invisibly on top of a full job. Managers need to adjust priorities, arrange coverage and agree on the duration. Practical guidance on job rotation makes the same point: a program should begin with a strategic need, account for its resource cost and connect to the wider talent system. One 2024 study in a specialist industrial setting even found that rotation could hurt performance when training and HR support were weak. A good idea does not survive careless implementation.
Make the next step visible
Before the assignment starts, discuss what happens when it ends. The person may return to the original role with a broader mandate, move into another position or use the experience as evidence for a future opportunity. Not every project should promise a promotion. Every project should make the development portable. Otherwise the organization captures the value while the employee receives a line in a performance review.
Measure capability, not activity
A mobility program should not be judged by how many people attended, shadowed or enrolled. Those are participation counts. The better questions concern what changed:
- Did the person demonstrate a new skill in a real piece of work?
- Did the project improve a decision, process, product or customer outcome?
- Did knowledge move between functions instead of remaining trapped with one team?
- Did the employee gain a credible next option, even if no immediate promotion followed?
- Were opportunities distributed fairly, or did the same visible people receive every stretch assignment?
The fairness question deserves particular attention. Informal programs often reward employees who already know how to ask, who sit near influential leaders or whose managers are willing to release them. A transparent process should publish opportunities, explain selection criteria, compensate or rebalance the work and review who is repeatedly included or excluded.
The leadership test
Lateral mobility is ultimately a test of whether leaders can recognize growth before it comes with a new title. It asks managers to lend talented people to other teams, employees to become beginners again and organizations to value capability that crosses departmental borders.
The Intel example stayed with me because the opportunity was not merely a different chair in the same game. It created a new arena in which someone could lead, build trust and make a contribution that the existing org chart did not predict. That is the standard. A sideways move should not be a consolation prize. Designed well, it becomes a serious investment in what a person and an organization may be able to do next.
Sources and further reading
- Pew Research Center: reasons U.S. workers gave for quitting jobs in 2021
- Achananuparp and colleagues: career mobility analysis of U.S. online resume profiles (2025 preprint)
- WorldatWork: building and evaluating a job-rotation program
- Industrial and Commercial Training: job rotation, training and HR strategy