Japan Expansion Lead at Shepherd (Y Combinator W24) (2025-08 – Present)
- Lead Japan market entry for a YC-backed AI education platform, owning end-to-end localization, GTM strategy, and partnership development.
- Engage directly with cram schools and online coaching providers to validate ICP (ideal customer profile), refining pricing and product positioning for the Japanese market.
- Collaborate with US-based co-founders on product roadmap, prompt design, and AI-driven content adaptation for Japanese curricula.
AI Training & Evaluation Specialist at NVIDIA (2025-09 – 2026-03)
- Contributed to large language model training pipelines through high-quality bilingual (Japanese–English) data annotation, evaluation, and red-teaming tasks.
- Applied rigorous quality control standards across multimodal datasets to support model alignment and reasoning improvement.
Founder & CEO at UniChatStudy (2025-02 – 2025-08)
- Founded and led an AI-powered tutoring service for cram schools (juku), securing partnerships with 50+ schools within six months through direct B2B sales and product-led growth.
- Discontinued operations based on a structured market-fit reassessment, redirecting capital and focus to higher-conviction ventures.
Business Development Intern at RayMay Inc. (2025-01 – Present)
- Develop and pitch new business proposals to major general contractors (super-zenecon), including market analysis, competitive benchmarking, and ROI modeling.
- Lead internal new-business initiatives, conducting end-to-end research, financial analysis, and stakeholder presentations to senior leadership.
Sales Intern, Team Leader at MANABI Inc. (2024-05 – 2024-11)
- Led a sales team as Team Leader, coordinating outreach strategy, training new members, and managing daily KPIs.
- Ranked 2nd in sales performance across the team, consistently exceeding targets through structured client discovery and consultative selling.
Tutor & Education Coach at Private Tutoring Company (2024 – Present)
- Officially recognized by the company as a top instructor among approximately 20,000 enrolled tutors, based on student outcomes and client feedback.
- Design individualized learning plans for junior high and high school students, delivering consistent measurable improvement in academic performance.
