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Bridging between South Korea and ASEAN through Data-driven Marketing

I’m Sumin Lee

Brand Strategy, Digital Marketing and Content Creation

Hi! I'm Sumin Lee, a global-minded professional bridging the gap between South Korea and the international market, with a strong focus on ASEAN clients. Through expertise in digital marketing, trade finance, and business strategy, I help businesses expand and thrive in the global economy.

Connecting South Korea to the Global Market

Market Expansion & Trade Finance

​Supporting seamless cross-border transactions and optimizing financial strategies for businesses entering new markets.

Strategic Digital Marketing & Localization

Developing data-driven marketing strategies tailored to ASEAN markets, ensuring cultural and linguistic adaptability for impactful engagement.

Business Consulting & Partnership Development

Guiding businesses in global expansion, fostering strategic partnerships, and identifying growth opportunities in emerging economies.

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4

Years of Experience in Global Business & Marketing

A results-driven Customer Engagement & Marketing Professional, specializing in international market expansion and ASEAN partnerships. Committed to innovation, cross-border collaboration, and digital transformation.

1B+

Digital Impressions & Views

120+

Successful Projects Completed

Worked

with Global Brands like Daiso & Trip.com

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Aug 2025 – Jun 2026

Sookmyung Women’s University, South Korea

​Bachelor of Business Administration, Bachelor of Entrepreneurship (Dual degree), CGPA: 3.72/4.5 (Top 10%)

Nanyang Technological University, Singapore

​Master of Scienc in Business Analytics | Merit Scholarship | Career Advocate

Mar 2019 – Feb 2024

Aug 2025 –Present
Singapore

Frost & Sullivan

Customer Value Enhancement Associate

  • generation and increased email campaign CTR by 18%.Implemented Salesforce-based CRM automation and segmentation (RFM & cohort models), driving 4× lead

  • engagement.Built client retention dashboards and email workflows, reducing response time by 32% and improving

  • Partnered with marketing and analytics teams to standardize reporting across 20+ consultant accounts.

  • Managed internal IT and HR systems for the Korea office, ensuring seamless operations and zero downtime.

Jan 2023 – Dec 2023

Seoul, South Korea

ByteDance (TikTok)

Community Management Intern

  • Drove #KpopVlog campaign to 1B+ views through brand partnerships (Daiso, Trip.com).

  • Optimized 15+ regional campaigns with GA4 and CM360 data, achieving +20% ROI uplift and 1B + views (#KpopVlog).

  • Onboarded 470 + creators to TikTok tools and improved creator satisfaction scores to 4.74 / 5.00.

  • Conducted data audits and knowledge sessions for regional teams on content metrics and automation dashboards.

NTU POWERS (Promotion of Women in Engineering, Research, and Science)

Student Marketing Assistant Singapore

  • Led cross-brand activation initiatives between TEDxNTU and Fave, achieving 1,000+ student engagements and +25% CTR uplift via paid social campaigns.

  • by 20%.Optimized Instagram & Meta Ads creatives through behavioral analytics and A/B testing, boosting event sign-ups

  • Designed on-ground booth experiences and merchandise, strengthening student brand awareness.

Mar 2024 – Jul 2025

Seoul, South Korea

Société Générale

Trade Finance Support

  • Managed 25+ cross-border finance operations and built Excel dashboards to visualize client performance.

  • Enhanced workflow efficiency by 18 % through process automation and data tracking improvements.

Jan 2022 – Oct 2022

Seoul, South Korea

Jan 2025 – Present

VClean 2nd Gen Ear Cleaner (Wadiz)

Premium product campaign that reached 117% funding via persona-based storytelling and predictive modeling.

Deskstar (Tumblbug)

Solar-powered desk light for modern single households; achieved 447% funding via data-driven segmentation and paid media optimization (Tumblbug, Meta, Google Ads).

May 2025 – Jun 2025

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Performance Marketing

Meta⸱Google (SEN)⸱TikTok⸱Naver⸱Kakao, ROI optimization, funnel design, A/B testing

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CRM & Automation

Salesforce, HubSpot, email workflows, RFM & cohort segmentation, lifecycle campaigns

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Analytics & MarTech

GA4, CM360, BigQuery integration, dashboarding (Tableau, Power BI), Python, SQL

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Collaboration & Leadership

Cross-functional alignment, bilingual communication, reporting to C-level

“Truly exceeded my expectations with professional work! Language fluency and deep understanding made collaborating an absolute pleasure. Highly recommend! "

Iceland
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