How HappyFunCorp embedded, shipped, and scaled a product design practice from zero—helping a $3.9B healthcare intelligence company reach IPO-ready design maturity.
IMPACT AT A GLANCE
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Design Department
First-ever in-house product design team established at Definitive Healthcare
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Full-time Hires
Designers recruited, integrated, and converted to permanent employees
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Unifying Design
A component-driven system that brought visual and functional consistency across the entire platform
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Definitive Healthcare gives healthcare vendors the research, analysis, and insights they need to find the right customers. Their platform covers the full map: hospital systems, physician groups, surgery centers, long-term care facilities, and more. It's a complex product suite serving a demanding market, and it needs to look and work like it.
When their sole product designer moved on, Definitive Healthcare was left with a gap at the worst possible moment. They'd just acquired a new subsidiary and needed to integrate those products into a platform that had grown organically for years. Each new data feed or acquisition had been tacked on as another View, another set of sub-tabs, another layer of navigation. The result was a sprawling suite straining under a 3-tier navigation system, a legacy ASP-to-React migration, and no design files to speak of. The Chief Product Officer needed someone who could unblock engineering immediately and, beyond that, build Definitive Healthcare's first-ever in-house design department from scratch.
That's where HFC came in.
The Challenge
A Design Gap at the Worst Possible Time
When Definitive Healthcare's sole product designer moved on, the company was left exposed. They had just acquired a new subsidiary and needed to integrate those products into their existing platform. Each new data feed the company had acquired over the years had been bolted on as its own View with its own sub-navigation, and the result was a platform that had outgrown its own architecture. Navigation had grown unwieldy across dozens of specialized screens. Tech debt from a legacy ASP-to-React migration was slowing everything down.
Definitive Healthcare's Chief Product Officer faced a dual challenge: plug the immediate design gap fast enough to keep engineering unblocked, and build something that would last. A rotating cast of contractors wasn't going to cut it. Definitive Healthcare needed its first real product design department.
HappyFunCorp's Approach
Embed. Execute. Build to Last.
HappyFunCorp embedded a senior designer with Definitive Healthcare's team immediately. The priority was simple: get engineers unblocked and tackle the most pressing UX work. From there, the engagement expanded into three interlocking tracks.
1. Embedded Design Execution HappyFunCorp designers worked directly inside Definitive Healthcare's product development workflow, designing new features and enhancements against the active product roadmap. The goal wasn't to hand off deliverables, it was to move as a single team.
2. Design System as Force Multiplier With no design files to speak of when the engagement began, HFC built a centralized design system from scratch. The key architectural decision: build components so any improvement to a shared element cascaded across the entire platform simultaneously. Better tables, typography, and contrast ratios propagated everywhere at once.
3. Capacity Building and Permanent Hiring HFC committed to leaving Definitive Healthcare stronger than they found it. That meant mentoring the existing product team on UX fundamentals, establishing cross-functional workflows, and recruiting two permanent designers. Both eventually became full-time Definitive Healthcare employees.
Work in Depth
Four Hard Problems, Four Real Solutions
Making Billions of Claims Queryable Without a Data Scientist Latitude Reporting launched in October 2021 as a standalone product. The challenge: let life sciences business users build sophisticated queries across billions of medical claims, combining diagnosis codes, procedure codes, prescriptions, demographics, and Boolean logic, without needing to call a data scientist first.
The design solution required making complexity visible rather than hiding it:
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Real-time result counts on every criterion card prevented users from building elaborate queries that yielded zero results.
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Visual Boolean logic used explicit AND/OR dropdown selectors between criterion cards so users understood exactly what they were constructing.
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Color-coded category pills (blue for diagnosis, orange for procedure, green for prescription) made it easy to scan a query at a glance.
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A report preview modal let users validate column selection and table layout before committing to a potentially multi-minute report generation run.
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"Without a doubt, being able to iterate is huge. All data begets more questions, so to be able to dig into that information quickly is definitely vital." — Early Latitude Reporting User
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Threading the Needle on Navigation
Definitive Healthcare's platform had accumulated a 3-tier tabbed navigation system that worked fine for a single View and fell apart at scale. As the company acquired new data feeds over the years, each one landed as another top-level tab with its own secondary and tertiary layers underneath. Tier 1 alone had 14+ top-level tabs. Tier 2 had 12+ secondary tabs per View. Tier 3 had tertiary sub-sections beneath those.
The ideal fix was a clean left sidebar navigation with clear hierarchy across the full platform. The problem: the ongoing ASP-to-React migration made simultaneous implementation technically impossible. A full rebuild would have blocked engineering for months.
HFC developed what the team called "threading the needle": design the ideal future state, document it clearly, then deliver immediate improvements that moved toward that vision without waiting for the migration to complete.
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Visual hierarchy styling created distinct treatments for each tab tier, making the existing structure more scannable without touching the underlying system.
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A favorites shortcut system let users save frequently visited pages across any View, working around navigation limitations in the short term.
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Information architecture optimization reduced visual clutter by surfacing key data based on actual user goals, in partnership with product owners across each View.
Building a Design System With No Design Files
When HFC arrived, there was no centralized design documentation and no consistent patterns across the platform. Previous contractor work had left things visually fragmented.
The response was to treat the design system less as a documentation project and more as a product improvement engine. Reusable, highly structured components meant that fixing a table pattern or correcting a contrast ratio improved the experience across every page in the suite simultaneously. The system also gave Definitive Healthcare a shared language across design, product, and engineering for the first time.
Hiring and Integrating Definitive Healthcare's First In-House Design Team
Strategic capacity building was part of the brief from the start. HFC didn't just staff the gap, they built the bench. That meant identifying and recruiting designers specific to Definitive Healthcare's product context, integrating them into the team, and onboarding them against the workflows and systems HFC had established.
First hire: a designer who could own the core product suite, freeing HFC to focus on the more complex Latitude Reporting work. Second hire: a Design Director to lead team growth post-IPO. Both designers became valued long-term Definitive Healthcare employees.
Results
What Changed
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Definitive Healthcare launched its first dedicated product design department, with the processes, systems, and talent to sustain it independently.
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Latitude Reporting launched on time as a standalone product in October 2021, enabling self-service analysis that previously required consultants and days of turnaround.
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Navigation improvements shipped across the full platform without blocking the migration, keeping product development on track.
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A component-driven design system gave Definitive Healthcare a force multiplier for future improvements across its entire product suite.
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Two permanent design hires were successfully integrated and converted to full-time employees, validating HFC's hiring and onboarding approach.
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Definitive Healthcare went public at a $3.9B valuation with a functional in-house design organization in place.
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"HappyFunCorp didn't just fill a design gap. They built the foundation we needed to keep building." — Definitive Healthcare
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