A collection of products, pivots, and lessons learned from the trenches of early-stage building.
Creator
Two AI-powered Telegram bots that help founders manage email replies and build online presence on X/Twitter. Filters 95%+ noise, drafts human-sounding replies with Claude AI.
Built in 3 Days
Next.js & Fastify
$19/mo SaaS
"Founders don't need another dashboard. They need an agent that lives where they already are: Telegram."
Creator
AI agent that predicts Fortune 500 department layoff risk for B2B sales teams. Helps reps protect their champions before layoffs happen.
Next.js & Claude AI
Polygon.io & Finnhub
Layoff Prediction
"Never lose a deal to a layoff you didn't see coming."
Co-Founder & CEO
Consumer fintech app: social money → impulse shopping prevention. Shipped 10+ features/month using AI-assisted development.
24-min avg sessions
600+ interviews
2M+ TikTok views
$300K pre-seed
"Standalone value beats social features. People want clarity, not community, for their finances."
Co-Founder & CEO
No-code platform turning financial, product, and marketing data into insights. Built a Notion-like experience for crafting metrics and dashboards.
Product Hunt Launch
Notion-like UX
Real-time Collaboration
"Startups struggle to articulate financial reports because existing dashboards are too rigid. They need a voice through data."
Co-Founder
Tokyo's first English-speaking founder community.
0 → 1,000+ members
First English-speaking community in Tokyo
"Communities don't scale with events. They scale with trust."
Creator
AI that explains American and internet culture to second-language English speakers. Screenshot a confusing tweet or meme → get an instant explanation of slang, sarcasm, and backstory.
Supabase Edge Functions
Claude Vision API
iOS Shortcut Integration
"If you didn't grow up in the US, the internet is full of things that don't make sense even if your English is great."
Creator
AI-powered tool for practicing behavioral interviews. Provides real-time feedback on structure, clarity, and storytelling.
Built in 1 Day
Manus AI
Real-time Feedback
"Candidates fail behavioral interviews not because of lack of experience, but lack of structured storytelling."
Raised $300K pre-seed and shipped consumer app achieving 24-min avg sessions (top 1% for finance) via 600+ user interviews.
Led Series A due diligence for $250M fund and drove 5–10% MoM revenue growth for portfolio companies like Radiotalk.
Secured first paying customer within 1 week of launch and built a team of 12 to ship complex Stripe/data integrations.
Evaluated 200+ startups for 19 corporate partners (Fujitsu, MUFG) to identify strategic product gaps.
Executed cross-border M&A and supported Kioxia's ¥1.8T IPO with trilingual coordination (English/Japanese/Mandarin).
Bridged Tokyo and Beijing HQ teams to drive growth strategy using platform data analysis.