Case study 03 / Power BI

A clear path from problem to impact

Building one actionable view from fragmented complaint data

A Power BI complaint dashboard designed to help U.S. and Italy Quality Directors move from manual review to focused investigation.

RolePower BI report designer & Quality analyst
AudienceQuality Directors in the U.S. and Italy
FocusData modeling · Dashboard design
ToolsPower BI · Power Query · Excel · SharePoint
01

Situation

Complaint analysis depended on labor-intensive Excel review.

Quality leaders received complaint information across multiple categories and files. Comparing trends, locations, products, and time periods required manual filtering, making recurring issues easy to miss and investigations slower to start.

Continue to Task ↓
02

Task

Design a Power BI experience that made nine complaint categories usable.

I was responsible for consolidating the data, establishing consistent measures, and creating a dashboard that both U.S. and Italy Quality Directors could navigate without technical support.

01Create one trusted view of complaint performance
02Support high-level review and category-level investigation
03Reduce the effort required to identify trends and exceptions
Continue to Action ↓
03

Action

I designed the data model and the decision path together.

I transformed and standardized the source data in Power Query, created reusable measures in Power BI, then organized the report from overview to detail so each visual answered a specific business question.

01

Prepared the data

Cleaned category names, dates, products, and source fields into a consistent structure.

02

Modeled the measures

Created repeatable calculations for volume, trend, category, and period comparison.

03

Designed the overview

Prioritized the KPIs, filters, and categories leaders needed for routine review.

04

Enabled investigation

Added small multiples and focused views to reveal patterns hidden in the total.

See the work ↓

Selected report views

The work, in practice.

Power BI customer complaint overview dashboard
Executive overview with shared measures, filters, and complaint categories
Power BI small multiples showing complaint trends by category
Small multiples reveal category-level patterns hidden in the total
Unified9Complaint categories in one report
Navigate1 viewMove from overview to focused investigation
AlignU.S. + ItalyUse the same underlying complaint data
Continue to Result ↓
04

Result

Result

Quality leaders could move from overview to investigation in one report.

The dashboard replaced repeated manual review with a consistent, interactive view. It helped leaders spot trends faster, focus investigations, and support decisions with the same underlying data.

Nine categories unifiedFaster trend identificationShared cross-market view

Capabilities demonstrated

Data modelingDashboard designPower QueryStakeholder reporting

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