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Gamma’s head of design on using AI to synthesize feedback and generate on-brand imagery | Zach Leach

Zach Leach, head of design at Gamma, reveals how his small team uses AI to analyze global feedback, create on-brand imagery, and maintain design quality while serving users in more than 60 countries.

Claire VohostZach Leachguest
Jun 8, 202536mWatch on YouTube

Summaries, chapters, transcripts, and FAQs on this page are made by uListen, not YouTube.

At a glance

WHAT IT’S REALLY ABOUT

Gamma design leader uses AI for feedback synthesis and branding

  1. Zach Leach (Head of Design at Gamma) shows how he uses AI as a research assistant to digest large volumes of messy, multilingual product feedback—about 550 responses in a week—without manually translating or sampling only a small subset.
  2. He demonstrates using ChatGPT “deep research” to translate, summarize, and classify feedback by themes (what’s working, what isn’t, prompt patterns), then exporting those classifications for charts and team-ready reporting.
  3. On the brand side, he walks through a Midjourney-based workflow that uses style references/personalization to rapidly iterate toward consistent, art-directed imagery for UI “empty states,” plus Replicate models for fast background removal before dropping assets into Figma.
  4. Finally, he shares a lightweight Claude “project” workflow to standardize job descriptions across hiring managers, and reflects on what human designers should keep owning: fun, personality, and craft details.

IDEAS WORTH REMEMBERING

5 ideas

Deep research turns unstructured feedback into usable product signals.

Instead of hand-reviewing a tiny sample, Zach uploads a feedback file and lets ChatGPT deep research translate, summarize, and identify what’s working/not working, including prompt-level patterns across many languages.

Quality of analysis improves when moving beyond keyword scripts.

Zach contrasts deep research with a prior approach: Python keyword matching (or row-by-row prompting). Deep research provided more nuanced classification and insight than basic text queries.

Feedback classification becomes a pipeline, not a one-off summary.

After deep research, he asks for per-row categorization and exports it into a spreadsheet to graph outcomes (e.g., which operations perform best/worst), enabling ongoing product tracking and prioritization.

Model tier differences show up in measurable satisfaction gaps.

Gamma compared paid vs free user feedback because different model access can change outcomes; they observed ~5% rating difference, reinforcing that model choice materially affects UX.

User complaints can directly inform UX “guardrails” for prompting.

A key issue was multi-step edits failing (the model completes only part of a compound request). Zach suggests UX responses like follow-up questions, automatic prompt splitting, or nudges toward step-by-step edits.

WORDS WORTH SAVING

5 quotes

Over the course of a week, we got about 550 individual responses.

— Zach Leach

If I’m being totally honest, I probably would’ve hand-looked at maybe 20.

— Zach Leach

It sort of went through all the feedback, understood what’s working, what’s not working, what prompts work, what don’t work.

— Zach Leach

It’s almost like I can follow those rabbit holes of creativity.

— Zach Leach

I would hope that it’s never gonna be as good as making things fun.

— Zach Leach

Read the available transcript
Multilingual feedback at scaleChatGPT deep research for synthesis/classificationFrom insights to internal presentations (Gamma)AI image editing UX learnings (multi-step failures, artifacts)Midjourney style references for brand consistencyReplicate models for background removalClaude Projects for reusable job-description templates

High quality AI-generated summary created from speaker-labeled transcript.

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