LMSM · Product design case study · 2026
Role
Lead product designer
Scope
Research to design system
Timeline
14 weeks
Team
Cross-functional, 6 people
01 · Context and mandate
Economists were answering high-stakes policy questions across shared drives, spreadsheets, Stata, Word, email, and chat. Analysis could be sound while the evidence trail around it became impossible to reconstruct. Leadership’s request for a report builder was only treating the final symptom.
Asked for
A consistent report builder.
Reframed to
Carry a policy question from evidence to a published brief without losing provenance.
02 · Discovery research
Eleven contextual interviews, six rebuild-your-last-brief sessions, an artifact audit of fourteen policy briefs, and a five-day tool-switch diary separated what people said from what the workflow actually demanded.
03 · The design response
The final information architecture follows the real reasoning flow: discover evidence, prepare governed data, build a model, compare scenarios, review the result, and publish a brief. Every handoff preserves the source, owner, version, and decision context.
One workspace, two role lenses
Economists build and Directors interrogate. The interface changes emphasis without splitting the product or the evidence trail.
Provenance as a first-class interaction
Figures expose source, transformation, model version, and reviewer history directly in context instead of hiding them in metadata screens.
Modelling without losing the policy question
Parameters, scenarios, assumptions, and outputs stay attached to the original question so the final brief can always explain how an answer was produced.
04 · Outcomes and reflection
The concept reduced the estimated time from question to first-draft brief by 63%, raised the simulated usability score from 58 to 84, and made every published figure traceable to its source. The deeper lesson was that trust is not a compliance layer added at the end; it has to be visible in the interaction model from the beginning.
Research figures and participant quotes are illustrative simulations for portfolio storytelling; the product and design work are real.
