Testing Your Next Career Without Quitting First

In 2003, professor Herminia Ibarra (INSEAD, later London Business School) published a three-year study of 39 managers and professionals making career transitions. The finding that surprised most readers: not one of the successful moves began with an abrupt resignation. Every single one started with small, parallel experiments alongside the day job.

There is a story we tell about career change: quit, start fresh, finally figure out who you really are. It is appealing. The trouble is that people who follow that script tend to get stuck — they remove their anchor before they have found a new one. Ibarra spent three years studying 39 professionals moving out of management into different fields and found a consistent pattern: people who quit first and figured things out later did not move faster than those who quietly tested new territory alongside their current work. The difference was not in speed — it was in the quality of the final choice.

Professional identity does not shift through reflection about who you want to become. It shifts through experience — which is why action comes before clarity, not the other way around.

Why "quit first" is a narrative, not advice

The myth of the existential leap persists because those stories travel well: left everything, moved abroad, opened something of my own. It is pure survivor bias — the people who tried the same thing and did not make it do not get profile pieces written about them.

Ibarra studied the part of the process no one photographs. In a 1999 paper in Administrative Science Quarterly (44, 764–791) she showed that adaptation to a new professional role does not happen through deciding. It unfolds through three things: observing role models, experimenting with behavior, and reading feedback from the environment. Action first, clarity second.

She called these trial identities provisional selves. Not a role for life — a hypothesis: what if I am the kind of person who does this? Testing a hypothesis is safer while the current job still provides a floor.

What a low-cost probe actually looks like

In Working Identity (Harvard Business School Press, 2003), Ibarra coined the phrase low-cost probes. The logic: not everything about a career is visible from the outside. A job posting, a salary range, a friend's account — that is looking at the window display. What it actually feels like to do the work, you only learn from inside.

Formats that work:

• A side project in the new field — 3–4 hours per week, one real client or deliverable.
• A volunteer role: a nonprofit, an internal cross-functional project, an open-source contribution.
• An informational interview with someone already doing that work — not to get an offer, but to understand what a real workday looks like.

None of these require resigning. Each one generates data that deliberation never will.

Your current job as a laboratory

A parallel mechanism is available inside your existing role. Amy Wrzesniewski and Jane Dutton (Yale School of Management) described job crafting in the Academy of Management Review (26:2, 2001, 179–201): employees who actively reshape their tasks, relationships, and the meaning they draw from work move toward better-fitting directions faster — because they have already started moving, even if only slightly. According to a Zapier survey of 2,001 employed Americans (2021), one in three has an active side project or side hustle. Many of those are career probes in disguise.

Job crafting is not changing jobs. It is changing the angle within the one you have. Push the parts you dislike toward the edges; pull the parts that engage you closer to the center. That is a probe too — finding out what actually changes your experience at work and what does not.

When the parallel track ends

Being honest requires acknowledging: running parallel tracks is not a permanent strategy. It works while you have energy for both directions. SkillSuccess surveyed more than 2,000 working adults in 2023 and found that 56% were doing some form of work alongside their primary job. Among those with no concrete goal or plan, most stopped within 3–4 months.

The parallel start is not about never leaving. It is about leaving when you already have data. Three signs that the probe has done its job:

1. The new direction takes up more mental space than your current job.
2. You have at least one real result in the new role — a project, a client, a delivered task.
3. Sustaining both tracks costs more than each one returns.

None of these are visible from inside your head. Only from action.

Sources

1. Ibarra, H. (2003). Working Identity: Unconventional Strategies for Reinventing Your Career. Harvard Business School Press.
2. Ibarra, H. (1999). Provisional Selves: Experimenting with Image and Identity in Professional Adaptation. Administrative Science Quarterly, 44, 764–791. journals.sagepub.com
3. Wrzesniewski, A., & Dutton, J. E. (2001). Crafting a Job: Revisioning Employees as Active Crafters of Their Work. Academy of Management Review, 26(2), 179–201.
4. Zapier (2021). The State of Business Automation: Side Hustle Survey (n = 2,001 employed US adults).
5. SkillSuccess (2023). Moonlighting Jobs: Facts, Statistics, and Expert Insights. blog.skillsuccess.com

This article is for informational purposes only and does not constitute professional career advice.