OPERATOR PROFILE

Sang Han

Principal product designer who turns fuzzy briefs into shipped systems.

10+ years architecting high-scale social ecosystems for Roblox, Zynga, and Disney. I bridge multi-platform interaction models with behavioral mechanics to scale safe, high-engagement products for millions of concurrent users.

Based in San Diego. Dad of two. Serial tinkerer who makes small games on the side because the muscle stays sharp.

MY PRINCIPLES

  1. P.01

    Simplifying Chaos

    Complexity is a given, but it shouldn't be the user's problem. Good systems take the mess and give it enough structure to grow without turning the final product into something cold and rigid.

  2. P.02

    Framework Mentality

    Strong frameworks create alignment. By defining principles and systems early, teams move faster, make better decisions, and scale without constant coordination. Good systems reduce ambiguity instead of adding to it.

  3. P.03

    Empathetic

    Technology should adapt to people, not the other way around. Design has to respect how people actually work. If a product ignores the user's headspace, the smartest system in the world won't save it.

RESUME

  1. 01.
    KEWL.AI Founding Product Designer

    First design hire. Led the launch of Hii5, an AI-powered workplace tool. Built interaction patterns, mobile UX, and the design system from zero.

    Oct 2024 - Dec 2025
  2. 02.
    ROBLOX Principal Product Designer

    Roblox Connect end-to-end. Cross-platform calling for 250K+ DAUs across mobile, desktop, and console. 137+ developer experiences building on the API.

    Jun 2021 - May 2024
  3. 03.
    JAM CITY Lead UI/UX Designer

    Led UI/UX for an HGTV-branded interior design game. Built gameplay interfaces, customization systems, and challenge flows. Supported Cookie Jam and Cookie Jam Blast live ops.

    Dec 2019 - Jun 2021
  4. 04.
    CAMBLY Product Designer

    Onboarding and platform UX supporting 60K+ tutoring sessions/day. Streamlined flows contributing to 33% user growth during rapid scale.

    Mar 2019 - Nov 2019
  5. 05.
    ZYNGA Senior UX Designer

    Words With Friends 2 social and monetization systems. Ad UX optimization contributing to a 3% lift (~$3M/month). Live experiments and feature rollouts.

    May 2017 - Mar 2019
  6. 06.
    DISNEY INTERACTIVE Senior UX Designer

    UX for narrative F2P titles like Ghosts of Mistwood, Enchanted Tales, and Threads of Mystery. Core UI/UX mechanics supporting multi-year live ops.

    Oct 2012 - May 2017

LOADOUT

INDUSTRY KNOWLEDGE

  • Product Design
  • User Interface
  • User Experience
  • Visual Design
  • Interaction Design
  • Rapid Prototyping
  • Wireframing
  • User Testing
  • A/B Testing
  • Live Service

TOOLS

  • Figma
  • AI Agents
  • Prompt Engineering
  • Framer
  • Linear
  • Notion
  • GitHub
  • Protopie
  • Lottie
  • Godot
  • Unity
  • Shopify
  • Jira
  • After Effects
  • Illustrator
  • Photoshop

CODE

  • GodotScript
  • C#

LANGUAGES

  • English
  • Korean

EDUCATION

BFA Story Boarding · Academy of Art University · 2008

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