Summary
Overview
Work History
Education
Skills
Military Experience
Timeline
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Chulhee Lee

Chulhee Lee

User Experience Researcher
Gangdong-gu,Seoul

Summary

Seasoned User Experience Researcher with strong product intuition and a proven track record at Mathpresso, driving both user engagement and revenue growth.
Expert in data analytics and cross-functional team leadership, having spearheaded a product launch that attracted 2,000 users within two months.
Skilled in qualitative research, with a knack for transforming user insights into actionable strategies that measurably enhance user experience and satisfaction.

Overview

10
10
years of professional experience

Work History

User Insight Team Lead

Mathpresso
01.2022 - Current
  • Spearheaded a New Product Development project to expand into the U.S. market. Inspired and guided designers and engineers to develop Cramify, which attracted 2,000 users within the first two months and raised $50,000 within a year.
  • Reversed a steady decline in Monthly Active Users (MAU) by initiating a core service revamp project. Led multi-method user research (qualitative, quantitative, and data analytics) to deliver a clear understanding of user characteristics and pain points.

Senior User Researcher

Bucketplace
09.2021 - 12.2021
  • Optimized the process of delivering periodic research reports, such as the NPS report, by integrating survey results with an SQL-programmed database—reducing report generation time from over 10 hours to just 5 minutes with a single click.
  • Led a strategic-level research initiative to recommend content expansion strategies by conducting a 2-week focused online diary study that tracked users’ daily content consumption behaviors.

User Experience Researcher

Dealicious
07.2020 - 09.2021
  • Closely collaborated with the Ad Platform team to develop Sinsang-Ad, which became the company’s key revenue driver, generating $10 million annually.
  • Led beta testing with 100 potential users, and conducted numerous usability tests, surveys, and interviews to optimize and fine-tune the platform based on user needs.
  • Coined the sales catchphrase “Seven Eleven Oh-seyo,” highlighting a strategic bidding price of 500 KRW between 7:00–11:00 PM to maximize ad impressions.

User Experience Researcher

Classum
01.2020 - 07.2020
  • Led user interviews and surveys to enhance cross-functional understanding and inform design and engineering decisions.

Korea Research Project Manager

InsightAsia
03.2019 - 12.2019
  • Solely led end-to-end research projects for high-profile clients such as Meta, Airbnb, and Google, ensuring strategic insights and timely delivery.

Senior Research Executive

RMK Research
03.2015 - 03.2019
  • Managed projects with various clients including Samsung, Bosch, Amway, Meta, Chanel, L'Oreal, Coca-Cola, McDonald, Louis Vuitton, P&G and more


Education

Bachelor of Arts - Political Science

University of California, Berkeley
California
04.2001 -

Skills

Co-working tools (Notion, Slack)

Design tools (Figma, Protopie)

Data Analytic tools (SQL, Excel, GA)

Research skills (Interview, Survey, Ethnography, Diary study, etc)

Logical communication

Team management

Military Experience

Served in the Korean Navy from 2011~2015

Interpretation officer for Chief of Naval Operation


Timeline

User Insight Team Lead

Mathpresso
01.2022 - Current

Senior User Researcher

Bucketplace
09.2021 - 12.2021

User Experience Researcher

Dealicious
07.2020 - 09.2021

User Experience Researcher

Classum
01.2020 - 07.2020

Korea Research Project Manager

InsightAsia
03.2019 - 12.2019

Senior Research Executive

RMK Research
03.2015 - 03.2019

Bachelor of Arts - Political Science

University of California, Berkeley
04.2001 -
Chulhee LeeUser Experience Researcher