The 1% problem: How domain expertise + Claude let a 2-person team hit #1 on a global classification benchmark

Federation's CEO & founder shares how a 2-person team hit #1 on Alibaba's global HS classification benchmark in trade compliance, where one wrong answer costs millions and where domain expertise creates a moat foundation models alone can't cross, built on Claude.

Details

City
Tokyo, JP
Date
11 June 2026
Time
11:30 – 12:00
Speaker(s)
Gahee Seo
CEO,
 
Federation
Language
English

Agenda

Demos and office hours run all day. Drop by for a demo between sessions. Sign up in advance for office hours. All times in Japan Standard Time (JST).
A note on language. Sessions run primarily in English with some in Japanese (marked on the agenda), and live simultaneous interpretation is available in both directions throughout the event. Office hours are held in English.
08:00 – 09:00
Check-in and breakfast
09:30 – 09:45
Community general session
·
(
Founder stage
)
·
Boris Cherny
Anthropic
morning sessions
10:00 – 10:30
What happens when domain experts can finally build
·
(
Builder stage
)
Builder stage
·
Jason Tangen
University of Queensland
Building AI-native across industries with NTT, Mizuho and Mercari
·
(
Founder stage
)
Founder stage
·
Carlos Donderis
Mercari
Takashi Ebihara
NTT Inc
Tatsuto Fujii
Mizuho Financial Group, Inc.
10:00 – 10:45
How we Claude Code
·
(
Workshop
)
Workshop
·
Jason Schwartz
Anthropic
10:45 – 11:15
Code for loved ones: Building customized software to bypass language barriers with my girlfriend
·
(
Builder stage
)
Builder stage
·
Siyuan Yan (Matt)
Kyushu University
11:00 – 11:45
Ship your first Managed Agent
·
(
Workshop
)
Workshop
·
Koki Yoshida
Anthropic
11:30 – 12:00
How to integrate Claude into your daily life
·
(
Builder stage
 // presented in Japanese
)
Builder stage
·
Yuta Hayashi
Determinant, Inc.
12:00 – 12:45
Agents that remember
·
(
Workshop
)
Workshop
·
Sam Jiang
Anthropic
11:45 – 13:30
Lunch
afternoon sessions
13:00 – 13:45
Evals for taste: Hill-climbing a slide-generation agent
·
(
Workshop
)
Workshop
·
Jonah Dueck
Anthropic
13:15 – 13:45
The last mile is the spec
·
(
Founder stage
 // presented in Japanese
)
Founder stage
·
Hitoshi Tsuyuki
Tsukumo Labs Inc.
Sumiki Hori
Tsukumo Labs Inc.
Same model, three different worlds: Japan, India, Australia
·
(
Builder stage
)
Builder stage
·
Jason Bigman
Anthropic
Rye Smith
Spruik Co.
Sumeet Doshi
HaemoLink
Yuta Hayashi
Determinant, Inc.
14:00 – 14:30
Code less, query more with sub-agents and data
·
(
Founder stage
 // presented in Japanese
)
Founder stage
·
Kenta Yamamoto
primeNumber Inc.
How I built a legal platform for 280 million people at the Claude Code Hackathon
·
(
Builder stage
)
Builder stage
·
Ilham Firdausi Putra
Pasal.id
14:00 – 14:45
14:45 – 15:15
How I shipped a life-saving app with Claude Code
·
(
Builder stage
)
Builder stage
·
Sumeet Doshi
HaemoLink
15:00 – 15:45
Agent Battle: Mine the most diamonds in 45 minutes
·
(
Workshop
)
Workshop
·
Liam Plambeck
Anthropic
15:30 – 16:00
Rewriting Bun in Rust
·
(
Founder stage
)
Founder stage
·
Jarred Sumner
Anthropic
Evening
15:45 – 18:00
Closing reception