# Seungjun(Jun) Lee

**Group Product Manager** — San Francisco, CA, United States

> Product manager with 9 years building monetization and consumer products across crypto, e-commerce, and marketplaces. Grew Flipster's assets under custody from $1M to $100M+ and scaled Coupang's ad revenue 150% QoQ.

Career Archetype: **Frontier Navigator** (RS-DG) — One of the first Frontier Navigators on Saywise

## Links

- LinkedIn: https://linkedin.com/in/sjunlee

## Experience

### Group Product Manager, Flipster (2023-04 – 2026-09)
Remote · Led 5 PMs across 5 squads spanning growth, order experience, affiliate, and internal tooling. Previously as PM, built Flipster's perpetual futures product and core order experience from zero to launch, scaling to thousands of daily active traders and $1B+ peak daily trading volume. Designed and launched the Earn program that grew assets under custody from $1M to $100M+.

### Senior Product Manager I, Coupang (2022-10 – 2023-04)
Seoul, South Korea · Launched Self-Service Video Ads, Coupang's first branding-focused ad product designated as a 2023 company strategic priority, growing to ~$50K daily revenue in its first months. Drove launch of performance-based ad product on Coupang Eats as product lead, achieving 150% QoQ revenue growth. Shipped creative optimization system for Product Ads that lifted revenue 7% within six months.

### Product Manager II, Coupang (2021-03 – 2022-09)
Seoul, South Korea · Launched Self-Service Video Ads, Coupang's first branding-focused ad product and a 2023 company strategic priority, growing it to ~$50K in daily revenue in its first months. Drove launch of performance-based ad product on Coupang Eats, growing ad revenue 150% QoQ as product lead. Shipped creative optimization system for Product Ads, lifting revenue 7% within six months.

### Business Development Manager, TeamBlind (Blind) (2017-09 – 2021-03)
San Francisco Bay Area · Founded and scaled Rooftop Slushie, a professional consultancy marketplace, to 100,000+ MAU and 7,000+ company-verified professionals, establishing a new revenue line for the company. Built Blind Pulse, a B2B tool delivering transparent employee engagement insights to enterprise customers.

### Co-Founder, DangoKids.com (2016-11 – 2017-07)
- Co-founded kids apparel e-commerce store covering the U.S and South Korea.

### Business Data Analyst Intern, Memebox Corporation (2016-01 – 2016-02)
Seoul, Seoul, South Korea · - Business Data Analyst at China Business Unit

### Data Analyst Intern, Jobplanet 잡플래닛 (2015-06 – 2015-12)

### Marketing Intern, Memebox Corporation (2014-05 – 2014-08)
San Francisco Bay Area

## Education

### Bachelor's degree in Business Administration, Seoul National University (2011-01 – 2017-01)
Minored in Computer Science & Engineering

## Skills

Microsoft Office, Marketing, Growth Strategies, Entrepreneurship, Microsoft Excel, Presentation Skills, Google Analytics, Key Performance Indicators, Influencer Marketing, SQL, E-commerce, User Experience (UX), Product Management, Web Analytics, Business Growth Strategies, BigQuery, Amplitude, A/B testing, crypto derivatives, monetization, advertising, marketplaces, analytics

## AI Fluency

- **Claude** (https://claude.ai)

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Source: https://saywise.com/member7155 (last modified 2026-10-05T17:38:09.239Z)