Jeewoon Lee
Senior Designer @ McKinsey & Company
I am a product designer based in New York.
My work sits at the intersections of human judgment and machine learning, consumer delight and industrial precision.
Experience
Senior Designer
2024-Present
McKinsey & Company
- Human-in-the-loop system design
- AI output evaluation
- Product roadmap ownership
- Rapid prototyping with Claude Code, Cursor, Lovable
- Designing for + communicating with technical audience (e.g., data science, SWE)
- Adoption analytics with SQL, Snowflake, PowerBI
Designer
2022 - 2024
McKinsey & Company
- End-to-end enterprise UX/UI
- Information architecture
- Design systems creation and scale
- Interaction design for complex, data-driven workflows
- User research and synthesis
- Service blueprinting
Associate UX Designer
2022
Critical Mass
- User flow creation
- Rapid prototyping and wireframing
- Requirements discovery and stakeholder management
Design Intern
2021
Open Road Integrated Media
- Editorial + book cover design
Press
McKinsey.com, Building next-AI horizon experiences
Contribution, 2026
Critical Mass Trailhead, WIP Issue One
Co-author, 2022
Author, 2022
Author, 2021
PRINT Magazine, SVA Students Designed A Set Of Perfectly Minimal Shakespeare Covers That Showcase Their Talents
Work feature, 2021