Business Analysis
SQL-based data extraction, KPI design, funnel analysis, LTV analysis, cohort analysis
English Version
Data-driven
Data-driven
Commerce Strategy
Professional
A data-driven commerce strategy professional with hands-on experience in payment growth, platform growth, category strategy, and operational optimization.
7+ years experience in commerce platforms including Wemakeprice, Coupang, Joonggonara and KimCaddie. Specialized in data-driven growth strategy, payment funnel optimization and operational automation.
2.4x payment growth · 1.6x user growth · KRW 200M annual cost savings
2.4x
Payment Growth
1.6x
User Growth
2x
Listing Growth
₩200M
Annual Cost Savings
Basic Information
- Name Yuntaek Ha
- Email yuntaek.ha@gmail.com
- Phone 010-4795-3330
- Position Data-driven Commerce Strategy Planner
Keywords
- Commerce Strategy category growth / payment conversion / promotion optimization
- Data Analysis SQL / funnel / LTV / cohort
- Visualization QuickSight / Looker Studio / Superset
- Collaboration engineering / operations / planning / marketing
Summary
Turning data into measurable commerce outcomes
At Joonggonara, I drove 2.4x payment growth through funnel analysis and high-value user segmentation. I also led a cafe-to-app growth initiative that increased users by 1.6x and listings by 2x. At KimCaddie, I introduced IVR-based booking automation and reduced annual operating costs by approximately KRW 200M.
How I solve problems
- 1. Define the problem through KPI and customer behavior analysis
- 2. Identify bottlenecks using SQL and visualization tools
- 3. Build hypotheses and design experiments
- 4. Execute product, policy, or process improvements
- 5. Validate results and iterate
Core strengths
- Commerce domain understanding Wemakeprice, Coupang, Joonggonara, KimCaddie
- Execution-oriented strategy from analysis to implementation
- Cross-functional collaboration from requirement definition to rollout
- Measured results GMV, users, listings, and cost savings
Core Skills
What I bring
I have worked across commerce growth, payment conversion, category strategy, and operational improvement, always grounded in data and execution.
Visualization & Reporting
QuickSight, Looker Studio, and Superset for dashboard building and monitoring
Commerce Strategy
Category growth, payment conversion, promotion optimization, high-value user strategy
Growth Projects
User acquisition, listing activation, incentive design, and growth experiment execution
Operational Optimization
Process redesign, automation, cost reduction, and quality/efficiency improvement
Cross-functional Work
Collaborating with engineering, operations, planning, and marketing teams
Career
Jun 2025 – Feb 2026
Mar 2022 – Apr 2024
May 2021 – Jan 2022
Apr 2020 – Aug 2020
Dec 2017 – Mar 2020
Experience
My background spans major commerce and platform businesses, connecting customer behavior, product structure, and business performance.
KimCaddie
Operations Team Lead
- Defined service improvement initiatives based on operational data and VOC
- Planned and implemented IVR-based reservation automation
- Reduced annual operating cost by approximately KRW 200M
- Improved call CS response rate from 10% to 80%
Joonggonara
Manager, Payment Partnership Team
- Performed SQL-based analysis and KPI reporting
- Improved payment conversion through funnel analysis
- Drove 2.4x payment growth and achieved highest annual payment volume in 2023
- Increased NRU by 1.6x and listings by 2x through cafe-to-app growth project
Brands Company (formerly Skylab)
Team Lead, Marketing Planning
- Led Coupang Rocket Delivery channel operations
- Improved inventory planning through sales data analysis
- Achieved average monthly sales growth of over 10%
Coupang
L4, Pricing Operation
- Managed pricing policies and operational issues across categories
- Built pricing logic for mask-related market volatility
- Improved workflow efficiency through SQL-based analysis
Wemakeprice
Promotion Operation
- Operated food category price-comparison promotions
- Built TOP SKU-based promotion strategy
- Achieved No.1 performance in category and hit GMV/CM targets
Key Projects
Payment Growth
User Growth
Ops Automation
Category Strategy
Selected Projects
A selection of projects demonstrating measurable outcomes across payment growth, user growth, operational automation, and category strategy.
2.4x Growth
2.4x Payment Growth at Joonggonara Pay
Identified high churn in the chat stage through SQL-based funnel analysis. Combined product improvements, high-value user segmentation, and event strategy to drive payment growth.
1.6x Users
Cafe-to-App Growth Initiative
Designed a strategy to convert Naver Cafe traffic into app growth through account linkage and staged incentive campaigns. Increased user growth and listing activity through automation and LTV-based reward design.
₩200M Savings
IVR-based Reservation Automation
Replaced a phone-based manual reservation process with IVR automation to reduce missed bookings and operational risk. Verified business impact through SQL-based booking/payment analysis and pilot testing.
No.1 Category
TOP SKU Promotion Optimization at Wemakeprice
Built a TOP SKU-focused promotion strategy for the food category using Excel and transaction analysis. Concentrated investment on high-impact SKUs to improve both sales and promotion efficiency.
Contact
Get in touch
I am open to opportunities in commerce strategy, growth, and business planning roles.
Yuntaek Ha
Data-driven Commerce Strategy Planner