Jahoon Joo

Jahoon Joo

Business Development Manager in South Korea

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.

Contacts

Email

jeijhoon0804@gmail.com

LinkedIn

jahoon