Case Study  ·  PubMatic  ·  2025
AI
Strategy

AI Strategy · PubMatic · 2025

How I gave a fragmented org
a shared direction on AI

Role Lead Product Designer
Duration 3 months
Year 2025
Category AI Strategy
Context

PubMatic is a publicly-traded adtech platform processing hundreds of millions of ad impressions daily. Its users are ad ops professionals at major publishers, configuring deals and troubleshooting advertising bid traffic where misconfigurations cost real revenue.

In 2025, every team had an AI ask on the roadmap. Budget was moving, engineers were building. Customers thought it was cool. Whether they'd actually use it was another question.

Problem

Every team was building AI independently. No shared patterns, no shared vision, no agreed-on interaction model. In adtech, where trust is the product, a fragmented AI experience erodes the thing customers are paying for.

What I did

I pitched and led a two-part design sprint that aligned the design team on AI fundamentals, converged on a unified vision for an AI assistant, and extended that vision into the PM organization before anything got built.

Impact
0
AI patterns shipped in December
3 more on 2026 roadmap
0
PMs aligned on a shared AI vocabulary
2026
Foundation for how PubMatic builds agentic AI
Audit · Discovery

A fragmented AI rollout doesn't fail loudly. It fails slowly, and it fails expensively.

Every team was defaulting to "put it in the chatbot." Deal creation had already shipped as a chatbot, for a structured high-stakes task where conversation adds friction instead of removing it.

Nobody was asking whether conversational was the right interaction model for the task, because the design team was organized around product lines, not interaction patterns. No one owned how AI should behave across the platform.

No single decision was wrong. The accumulation was, and the cost was compounding by the month.

Left alone, the trajectory was predictable:

Patterns calcify around the wrong assumptions.
Once engineering builds against an interaction model, changing it costs quarters, not weeks.
Every new AI feature inherits the inconsistency.
The next team picks whichever pattern shipped first, not whichever pattern is right.
Trust erodes before anyone notices.
Users stop using it, and adoption quietly flatlines.
The correction gets more expensive every month.
A six-month cleanup in Q2 becomes a two-year re-platforming in Q4.

Customers were already calling PubMatic first-in-market. The only question was whether the product would hold up when they actually tried to use it.

Pattern mapping Stakeholder interviews Heuristic teardown
Inconsistent card patterns
Inconsistent button patterns

The sprint had three phases. Each one answered a different question.

Sprint · Phase 1 of 3

Phase 1: What does trustworthy AI actually look like for our users?

Design sprint Principles workshop Learning

I brought in outside voices — speakers from Anthropic, Patreon, and a design consultancy — to pressure-test our assumptions. The question we kept returning to: how do you design an AI experience users will actually rely on when something goes wrong? We made it the lens every subsequent decision got filtered through.

Speakers from Anthropic Claude Patreon McKinsey

Alongside the trust work, every designer tried 2–3 new AI tools (Figma Make, v0, and others), built prototypes, and shared what they learned. The tool exploration was how we built the AI intuition the trust question required. It also turned a siloed team into one that could do vision work together.

AI tools explored
Lovable
11 Labs
Cursor
Figma Make
Ideogram
Relume
Replit
Subframe
v0
Dovetail
Sprint · Phase 2 of 3

Phase 2: What should the AI experience be?

Interaction patterns Vision Design principles

This was the blue sky vision of what our AI center could be - where the users can view their stats, learn about their usage and impact, and have agentic workflows integrated into their platform.

Phase 2 produced three interaction patterns, each for a distinct user intent: in-context (the assistant surfaces help where the user already is), chatbot (the assistant handles open-ended conversation), and a universal command surface (the assistant acts across the platform via keyboard shortcut). Above the three sat a single anchoring principle: the assistant should know where the user is and adapt. That became the shared vocabulary the design org uses to talk about AI interaction.

Sprint · Phase 3 of 3

Phase 3: Would the rest of the org actually utilize this?

Cross-functional PM workshop Prototyping

A vision that lives inside the design team isn't a vision. I extended the sprint into a PM workshop, not to present the designs, but to stress-test them with the people who'd have to build and sell them. I built prototypes around six interaction questions [flora: verify examples]: whether AI should live inline or in a dedicated surface, whether chat history should persist, how to signal when AI had acted versus suggested. What came back wasn't sign-off. It was a shared vocabulary, and a prioritized list that became the December release.

Workshop artifacts were the easy part. The key decisions were the work.

Decision 1: Three entry points for AI products, not one.

The path of least resistance was for every team to default to "put it in the chatbot" and call it done. I argued for three interaction patterns instead, each mapped to a distinct user intent. The reasoning: the real failure mode wasn't picking the wrong pattern. It was picking any pattern without knowing the user's context.

Three entry points for AI
Outcome

The three-pattern framework is now how the design org talks about AI interaction. When deal recommendation came up, the PM and I were debating which pattern fit, not whether to default to chatbot. We didn't fully align (I advocated hybrid, it started as chatbot), but the fact that the debate was happening at all was new. Before the sprint, the question didn't exist.

Decision 2: Extending the sprint into the PM org.

I could have delivered the vision to my own director and called the work done. Instead, I took it to the September PM offsite specifically to surface disagreements before they became roadmap problems. The reasoning: a vision the PM org hadn't agreed to was a vision that wouldn't survive the first roadmap planning meeting.

Outcome

The PM workshop produced the prioritized list that became the December release. The bigger shift was vocabulary. New AI asks don't start from scratch anymore. They start from a framework the PM org helped build.

Decision 3: The recommendation vs. optimization argument.

On the deals team, I argued that optimization was the stronger agentic workflow to build first. The user research supported it. The pain point was real. Leadership went with recommendation instead. I didn't win that call.

But the argument itself changed something. The framework for how we decide what to build agentically — does user research support it? what's the actual pain point? is the chatbot the right shape for this task? — is now part of how the team debates those calls. The long-term outcome is still in motion. What's clear is that the question isn't getting skipped the way it was before.

What stuck

The test of strategic work isn't whether it ships. It's whether the next decision uses it.

Six months later the sprint is still the reference.
When the Head of Product has a new AI question ("what do you think about artifacts? what about a visualizer?"), the answer starts from the three-pattern framework, not from scratch.
The design system has a working AI library.
7 patterns shipped in December, 3 more on the 2026 roadmap. Before the sprint, there were zero shared AI patterns. The team now has a vocabulary for building AI consistently. New AI features start from a library instead of a blank canvas.
Product and design share an AI vocabulary.
16+ PMs went through the September workshop. The output wasn't sign-off on designs. It was a shared way of debating AI decisions. New AI asks from PMs now arrive with the framework already in them. The design team spends less time re-explaining first principles and more time on the specific call.
What the sprint set in motion is still being built and iterated on.
The 2026 roadmap assumes the three-pattern framework. Realizing the anchoring principle — the assistant should know where the user is and adapt — requires infrastructure work that's still in progress.
7
patterns shipped
in December
16+
PMs on a shared
AI vocabulary
3
more patterns
on 2026 roadmap
— Head of Design