
Jahoon Joo
jeijhoon0804@gmail.com
About
On a mission to make the world better through technology and education
Scaling AI-native learning products to 330+ schools across Korea
Work Experience
Horang Edu
Seoul, South Korea
Business Development Manger
Oct. 2024 - Dec. 2025
AI Coding Education Service (Natural Language Korean Programming) – Marketing & Sales
Identified language accessibility as the core bottleneck in coding education adoption through school-level data and competitive analysis, scaling usage from 40 → 330+ schools and 500 → 10,000+ students nationwide
Structured decision-making dynamics and adoption barriers via in-depth interviews with teachers, schools, and institutions, shaping a GTM strategy centered on curriculum fit, onboarding friction, and teacher UX
Diagnosed funnel bottlenecks using CTR and retention data, reframed value messaging, and redesigned the landing page to drive active users from 2.7K → 22K (8.1×) and generate 100+ qualified leads.
Prioritized SEO-driven inbound over paid acquisition for the education market, delivering 520+ monthly organic impressions and consistent inbound customer growth.
Built execution-focused B2B partnerships based on solution–partner fit rather than brand value, establishing 10+ strategic partnerships (including Naver, Awesome School, Jooyon Tech, and Glorang) to enable multi-school deployments.
Re-engineered education exhibitions as scalable acquisition experiments, capturing 860+ qualified leads and implementing a standardized post-event conversion workflow.
Led end-to-end B2G projects for KOSAC and the National Institute of Ecology, owning problem definition, solution design, proposal development, and contract execution.
Eliminated operational bottlenecks by automating internal workflows with Make.com and Claude Code, significantly improving execution speed and operational efficiency.
IMPACT
Co- Founder / Leader
Jun. 2022 - Jan. 2024
Designed and scaled a youth IT & entrepreneurship network from zero to 500+ offline participants and 1,000+ online members, operating 100+ attendee hackathons, conferences, and seminars.
Built a sponsorship-driven growth model and secured support from 20+ companies and institutions (including Asan Nanum Foundation, GitHub, Woowahan, Channel Talk, and AWS), enabling sustainable program expansion.
Education
Korea Digital Media High School
Ansan, South Korea
E-Business
Feb. 2021 - Jan. 2024
Entered via the Entrepreneurship Talent Admission Program
Sejong University
Seoul, South Korea
Business Administration
Feb. 2025 - now
College of Economics & Hospitality Management
Projects
ZERO: A Young(0) World I Build
Project Manager
Mar. 2022 - Aug. 2022
Rapidly validated core hypotheses through iterative UX design and POC with initial target users, securing 191 pre-registrations to confirm early demand.
Tested investor interest via outbound IR outreach to ~50 investors, leading to live feedback sessions including meetings with Mashup Ventures.
Passed Unicorn House 2 first-round screening and advanced to the second round, delivering a 3-minute IR pitch and receiving external evaluation on business viability.
• jahoon