The Proof of the Pudding is Left as an Exercise to the Eater
Small in-person brunch in Iidabashi for mathematicians, CS folks, and developers to dissect favorite theorems and the math underpinning programming.
In person · Kanto (Tokyo) · EN
Where Japan's entrepreneurs & engineers meet.
This week·Apr 27 – May 3 · 31events
Mon, April 27, 2026 past
9events
SusHi Tech Tokyo 2026 — Sustainable High City Tech Tokyo
Asia's largest global innovation conference: 700 startups, 60,000 attendees, three days at Tokyo Big Sight.
In person · Kanto (Tokyo) · JA/EN · Apr 27 – Apr 29
[103rd TrustML Young Scientist Seminar] Talk by Prof. Huaxiu Yao (University of North Carolina at Chapel Hill) "Building AI Agents That Act, Learn, and Evolve"
Prof. Huaxiu Yao on building AI agents that act, learn, and evolve — Agent World Model, SkillRL, MetaClaw, SimpleMem, ClawArena.
Hybrid · EN
Asia MirAI Day
Cross-border networking event helping AI and tech startups navigate market entry and inbound policies across eight Asian countries.
In person · Kanto (Tokyo) · EN
Alibaba Cloud AI Agent Workshop (Free Admission)
Hands-on AI agent workshop using Alibaba Cloud's Qoder Work, Qwen, and Wan2.7, with mentor support and networking.
In person · Kanto (Tokyo) · JA
Robotics & Physical AI x Industry
Post-SuSHi Tech networking evening for robotics and physical AI builders, investors, and corporate partners.
In person · Kanto (Tokyo) · JA/EN
Career Strategy for Consulting Talent in the AI Era
Operating leaders from ExaWizards, LayerX, and Knowledge Work on consulting-to-business career transitions in the AI era
In person · Kanto (Tokyo) · JA
Sendagaya.rb #525
Casual online Ruby/Rails community meetup discussing RubyKaigi 2026, Kaigi on Rails 2025, and peer development questions.
Online · JA
Continuing Tokyo Innovation NIGHTs @TIB
After-hours networking party at Tokyo Innovation Base for SusHi Tech Tokyo 2026 attendees, with an EDO × TOKYO FUSION theme.
In person · Chiyoda City, Japan · JA/EN
Tue, April 28, 2026 Today
9events
Zero to One User: A Brunch for Founders
A small founder brunch in Iidabashi on getting your first tech users — informal talks, PMF chat, do-things-that-don't-scale stories.
In person · Kanto (Tokyo) · EN
Tokyo Weekly Lunch
Weekly Tuesday lunch networking for Tokyo's startup founders, investors, and engineers — no pitches, just real conversations.
In person · Kanto (Tokyo) · JA/EN
Hack the Future: Shibuya Networking Party [Official SusHi Tech Tokyo 2026 Side Event]
Cybersecurity panel and meetup with Persona, Corgi Labs, and ECQ — featuring a live hacking demo — at Shibuya PARCO DG Building.
In person · Kanto (Tokyo) · JA/EN
From Tokyo to Taipei: Where Corporates Meet Innovation
Taipei City Government brings Taiwanese startups to Tokyo for a Japan-Taiwan corporate innovation evening with talks, pitches, and networking.
In person · Kanto (Tokyo) · JA/EN
Architecting AI Governance: From Experimentation to Scaled Production
Experts from Nemko Digital, NEC, and Nakatomi on scaling AI safely — risk frameworks, digital ethics, and defence-grade governance.
In person · Kanto (Tokyo) · EN
Malaysia - Japan Industry Networking Night
Curated networking night connecting Malaysian tech companies with Japanese partners to spark cross-border collaboration.
In person · Kanto (Tokyo) · EN
Tokyo Innovation NIGHTs @Tennozu Warehouse TERRADA (Invitation Only)
Invitation-only SusHi Tech Tokyo afterparty in Tennozu with jazz, food, and international startup networking.
In person · Kanto (Tokyo) · JA/EN
Weekly Tuesday Meetup
Weekly Tuesday open house at Tokyo HackerSpace's new Akasaka location — drop in, meet makers, see the tools.
In person · Kanto (Tokyo) · JA/EN
Continuing SusHi Tech Tokyo 2026 — Sustainable High City Tech Tokyo
Asia's largest global innovation conference: 700 startups, 60,000 attendees, three days at Tokyo Big Sight.
In person · Tokyo Big Sight, West Hall 1–4, 3-11-1 Ariake, Koto-ku, Tokyo · JA/EN
Wed, April 29, 2026
5events
A Monad is Just a Monoid in the Category of Burritos
Small brunch meetup near Iidabashi for category-theory and functional-programming enthusiasts (Haskell, OCaml, Clojure, Scala).
In person · Kanto (Tokyo) · EN
Lunchtime Study Group on Global UX
Weekly 30-minute lunchtime online study group reading The UX Collective with NotebookLM.
Online · JA
Global Innovation Ecosystems Exchange
Invitation-only Yes/Cities gathering at SusHi Tech Tokyo 2026 for city leaders, founders, and VCs on innovation-led urban transformation.
In person · Kanto (Tokyo) · JA/EN
THS "Nihongo Night" Open House
Drop-in open house at Tokyo HackerSpace in Akasaka — Japanese-language night for makers and the technically curious.
In person · Kanto (Tokyo) · JA
Continuing SusHi Tech Tokyo 2026 — Sustainable High City Tech Tokyo
Asia's largest global innovation conference: 700 startups, 60,000 attendees, three days at Tokyo Big Sight.
In person · Tokyo Big Sight, West Hall 1–4, 3-11-1 Ariake, Koto-ku, Tokyo · JA/EN
Thu, April 30, 2026
2events
BYOD: Bring Your Own Dotfiles
Brunch meetup to swap dotfiles, CLI tools, and productivity tweaks at Hotel Metropolitan Edmont Tokyo.
In person · Kanto (Tokyo) · EN
ASEAN SPARKS Elevate: Cleantech Innovation Pitch and Matchmaking
ASEAN cleantech startups pitch and matchmake with Japanese and international partners at Tokyo Innovation Base.
In person · Kanto (Tokyo) · EN
Fri, May 1, 2026
5events
Beautiful Soup Kitchen: A Brunch for Web Scrapers
A small Tokyo brunch meetup where data folks and developers trade web scraping tips, proxies, and browser automation tricks.
In person · Kanto (Tokyo) · EN
Antler Japan Founders Program - Batch 6 | Online Info Session (Japanese)
Online AMA session for Antler Residency in Japan Batch 6 — the program manager answers questions over lunchtime.
Online · JA
Japan-ASEAN/Indian Open Innovation Exchange | Tokyo
12 ASEAN & Indian deep-tech startups pitch to Japanese companies, with a VC panel on Asian startup trends.
In person · Kanto (Tokyo) · JA/EN
Intercom x Antler: SusHi Tech Founder Afterparty
Invite-only founder afterparty closing SusHi Tech, with curated low-ego networking over drinks and food.
In person · Kanto (Tokyo) · JA/EN
2600 Meeting
Tokyo's monthly 2600 hacker meetup at a reserved Kabukicho bar — open talk on hacking, security, and anything else.
In person · Kanto (Tokyo) · JA/EN
Sat, May 2, 2026
2events
Feed Forward: A Brunch for LLM Enthusiasts
A small Tokyo brunch meetup for LLM users and enthusiasts: workflows, models, and the math behind them.
In person · Kanto (Tokyo) · EN
Daikanyama Morning Code
Morning coworking-style meetup in Daikanyama for coders, designers, and folks into web, cloud, blockchain, or AI.
In person · Kanto (Tokyo) · JA/EN
Sun, May 3, 2026
2events
Shibuya Code + Coffee
Weekly Sunday coworking and tech community meetup at a Shibuya cafe — bring a laptop, all levels welcome.
In person · Kanto (Tokyo) · EN
Haskell-jp Mokumoku-kai #341 @ Online
Haskell-jp's 341st online mokumoku-kai: a relaxed, free session for working on your own Haskell projects with optional result sharing.
Online · JA
