YEONJOO DO
Seoul, Jamsil,11
Summary
Learning Designer & AI Product Manager with 6 years building AI-powered English learning for Korean learners. Currently owning end-to-end curriculum and PM for an adult English learning app for Korean learners. Co-led FGI/expo VoC with Marketing to simplify onboarding and ship rapid iterations, driving +18% DAU and +22% completion through data-driven experiments. Bridges evidence-based pedagogy with GenAI + STT/TTS and LKT-based personalization; led an award-winning AI courseware (2025 K-Digital Brand Grand Prize).
Overview
6
6
years of professional experience
Work History
Deputy Manager, AI Product Manager & Learning Designer
YBM, AI Lab
Seoul
09.2023 - Current
- Promoted from Staff in 19 months based on exceptional project leadership
- Currently leading PM & curriculum ownership for a high-priority adult AI English learning app (Vocab → L/R/W/S → AI Feedback).
- Co-led FGI/expo VoC with Marketing to simplify a complex entry flow; set up rapid vendor iteration, improving expo evaluations and earning praise for fast responsiveness.
- Planned and implemented gamified learning experiences, driving +22% completion and +18% DAU.
- Owned the end-to-end curriculum and service roadmap for an award-winning AI English courseware ("2025 K-Digital Brand Grand Prize").
- Integrated GenAI + STT/TTS + acoustic analysis to deliver real-time speaking & writing feedback.
- Built data-driven personalization using LKT to diagnose weaknesses and recommend optimized 1:1 learning paths.
- Led vendor collaboration with a Korean dev partner (Catchit Play), establishing content guidelines and a fast feedback + QA loop to standardize quality, reduce rework, and increase production throughput.
Associate, Consulting & Tax L&D Learning Leader
EY Korea, L&D Team
Seoul
12.2021 - 09.2023
- Built and iterated a competency roadmap (39 courses) for 950+ professionals, using learner feedback and completion signals to refine the curriculum.
- Segmented onboarding by audience (intern-to-FT vs experienced hires) and built blended learning paths to improve early-stage ramp-up.
- Launched a digital onboarding experience ("Onboarding Diary") and info portal, improving training satisfaction by 30%+.
- Led large-scale program operations (300+ new hires; 400+ tax staff/year) and reported outcomes to local and global leadership.
- Led weekly syncs with UK HQ to prioritize curriculum updates and operational fixes, accelerating decision-making for program launches.
Instructor
LG Energy Solution
Seoul
07.2021 - 08.2021
- Delivered English workplace communication training for LG Energy Solution (LGES) entry-level engineers (pre-expat cohort).
- Topics included cultural differences, business communication structures, formality, and technical terminology (glossary).
Program Coordinator & Research Intern
Hankuk University of Foreign Studies, Foreign Language Education Center
Seoul
03.2020 - 12.2021
- Coordinated a 1-month Residential English Immersion Program (100 adult learners) focused on role-play and spontaneous speaking.
- Conducted research on learners with high speaking anxiety to identify barriers to participation.
- Applied findings to design role-play scenarios that improved confidence and spontaneous verbal communication.
Education
Master of Arts - English Linguistics
Hankuk University of Foreign Studies
Republic Of Korea08-2022
Bachelor of Arts - Teaching English To Speakers of Other Languages
Hankuk University of Foreign Studies
Republic Of Korea02-2020
Skills
- English Education
- Curriculum Design
- Data-Driven Curriculum Optimization
- Prompt Engineering
- LLM-based Knowledge Tracking
- EFL Pedagogy
- Agile & Lean Methodology
- Product & Market Leadership
- GTM Strategy
Languages
- Korean, Native
- English, Proficient
- Spanish, Beginner
Timeline
Deputy Manager, AI Product Manager & Learning Designer
YBM, AI Lab
09.2023 - Current
Associate, Consulting & Tax L&D Learning Leader
EY Korea, L&D Team
12.2021 - 09.2023
Instructor
LG Energy Solution
07.2021 - 08.2021
Program Coordinator & Research Intern
Hankuk University of Foreign Studies, Foreign Language Education Center
03.2020 - 12.2021
Master of Arts - English Linguistics
Hankuk University of Foreign Studies
Bachelor of Arts - Teaching English To Speakers of Other Languages
Hankuk University of Foreign Studies