This Week in Startups
This Week in Startups

Jason Reacts To Japanese Founder Pitches + Fireside Chat With Yuki Shirato

October 10, 2026 · 1 h 25 min

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Jason Calacanis returns to Osaka, Japan for a live Founder University event featuring a fireside chat with Yuki Shirato, managing director of Techstars Tokyo, and candid feedback on 11 Japanese startup pitches. The episode explores the evolution of entrepreneurship culture in Japan, where lifetime employment is giving way to startup ambitions, and the deep cultural commitment to product excellence translates into natural product-market fit. Jason emphasizes the critical difference between solving known problems (requiring clear business models) and solving unknown problems (allowing more runway to figure out monetization). Key pitches include Seeker's centimeter-accurate indoor positioning (vitamin, not painkiller), Arabat's orange-peel-based e-waste recycling (genuinely novel), AssetHub's AI for licensed 3D character creation (needs bigger thinking), and standouts like Japan Media's manga-to-anime AI tool and Genchi's telepresence shopping experience. The conversation reveals how Japanese founders excel at product craftsmanship but struggle with storytelling, ambition, and aggressive go-to-market strategies—exactly the opposite of American founders.

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Show notes

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Today’s show:

AssetHub built an AI agent that recreates licensed characters in 3D while respecting copyright rules... But Jason says he needs to think BIGGER. 11 founders pitched their companies to Jason and Yuki Shirato of Techstars Tokyo at our Osaka event this week, and neither investor held back.

Find out why Jason says Seekr feels more like a vitamin than a painkiller, and needs to ditch the press mentions from their deck. Plus, a vital lesson for founders: if everyone already knows about the problem you're solving, investors expect a tight solution and business plan. Truly novel business ideas get more leeway. Japan's startup community is booming, with many recent grads bailing on lifelong gigs at major corporations to start companies. But here's why Yuki says the fear of failure is still holding back progress.

Guests:

Yuki Shirato on LinkedIn: https://www.linkedin.com/in/yuki-shirato

Techstars Tokyo: https://www.techstars.com/accelerators/tokyo

Founder Pitches:

Seekr: https://seekrai.global/product

Arabat: https://arabat.it/

AssetHub: https://assethub.io/

CRAZIA: https://crazia.co/

JuJuJuu: https://jujujuu.com/

JAPANMEDIA: https://lp.japanmedia.ai/

Tsuin AI: https://www.tsuin.ai

Rumi Light: https://www.rumilight.jp/

GENCHI: https://www.toraru.me/en

TattvaSilicon: https://tattvasilicon.com/

Mimi AI: https://nihongo-chat-ruby.vercel.app/onboarding

Relevant Links:

Founder University Japan, Jason's pre-accelerator program with JETRO → https://japan.founder.university/

Techstars Tokyo announces its Class of 2026 → https://www.techstars.com/newsroom/techstars-tokyo-accelerator-announces-class-of-2026

Yuki Shirato on why Japan should be on every founder's radar (Techstars) → https://www.techstars.com/blog/insights-and-trends/should-japan-be-on-your-radar-as-a-founder

How Techstars Tokyo is helping make Japan a global startup hub (The Japan Times) → https://www.japantimes.co.jp/2025/12/25/special-supplements/accelerating-business-ambitions-global-scale-techstars-tokyo/

VidiLabs, maker of the Seekr indoor positioning platform → https://seekrai.global/

Density, the people-counting sensor company Jason has backed for a decade → https://www.density.io

Arabat, recovering critical minerals from batteries with citrus and farm waste → https://arabat.it/

AssetHub raises a $2M seed for its AI 3D platform (The Bridge) → https://thebridge.jp/en/2025/08/aix3d-production-platform-assethub-raises-approximately-¥300-million-in-seed-funding

Seedance 2.0, the ByteDance AI video model Jason says fans are using to make Marvel shorts → https://seed.bytedance.com/en/blog/seedance-2-0-official-launch

Bending Spoons, the company Jason cites for buying apps and running them with tiny AI-powered teams (TechCrunch) → https://techcrunch.com/2025/10/31/what-is-bending-spoons-everything-to-know-about-aols-acquirer/

Burning Chrome by William Gibson, the source of “the street finds its own uses for things” → https://www.amazon.com/dp/B00ICMWZH4/

Timestamps:

Jason's first trip to Japan and the food crawl

Why everyone in Japan acts like a founder

Founder University comes to Japan

Techstars Tokyo and Japan's push for global founders

Why Japanese startups stay on the island

Parents, lifetime jobs, and the fear of failure

How Japan mastered product market fit

Lightfield: Name one person who's ever enjoyed updating a CRM. Exactly. Lightfield's AI agent does it for you - it even prospects and books your meetings. Used by t

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