河合 健

河合 健

advisors

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After working at the Bank of Tokyo and the Bank of Tokyo-Mitsubishi (currently the Bank of Mitsubishi UFJ), he registered as an attorney in 2009. It mainly deals with FinTech, blockchain, derivatives, financial regulations, and digital-related legal affairs. Currently, he is a member of the Liberal Democratic Party Digital Society Promotion Headquarters Web3 Working Group, an auditor of the Japan Financial Services Intermediaries Association, an advisor to the Osaka Prefecture “International Financial City OSAKA Promotion Committee”, a legal advisor to the Japan STO Association, and an advisor to the Japan Crypto Asset Business Association.
Anderson Mori & Tomotsune Law Office Foreign Law Joint Venture
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Cardano Joins TEAMZ Web3/AI Summit 2026 as Title Sponsor, Strengthening Japan’s Web3 & AI Momentum
November 26, 2025
November 26, 2025

Cardano Joins TEAMZ Web3/AI Summit 2026 as Title Sponsor, Strengthening Japan’s Web3 & AI Momentum

TOKYO, Japan — TEAMZ, Inc. today announced that Cardano, a public, permissionless proof-of-stake blockchain built on peer-reviewed research and open-source engineering, will join TEAMZ Web3/AI Summit 2026 as a Title Sponsor. The partnership underscores Cardano’s long-term commitment to advancing secure, sustainable Web3 infrastructure and accelerating real-world adoption through transparent, community-driven innovation.

XRP Tokyo Becomes Title Sponsor of TEAMZ Web3/AI Summit 2026
November 21, 2025
November 21, 2025

XRP Tokyo Becomes Title Sponsor of TEAMZ Web3/AI Summit 2026

XRP Becomes Title Sponsor of TEAMZ Web3/AI Summit 2026Launching Its First Official Japan Event “XRP Tokyo 2026” at Happo-en, TokyoTokyo, Japan — November 2025 — TEAMZ Inc. announced that XRP will serve as the Title Sponsor of TEAMZ Web3/AI Summit 2026, to be held on April 7–8, 2026, at Happo-en, Tokyo. XRP will also host its first official Japan event, “XRP Tokyo 2026,” on April 7 at the main building of Happo-en (5th and 6th floors).

TEAMZ Web3/AI Summit 2026: The Must-Attend Global Event for Those Building the Future of Technology
November 19, 2025
November 19, 2025

TEAMZ Web3/AI Summit 2026: The Must-Attend Global Event for Those Building the Future of Technology

The TEAMZ Web3/AI Summit 2026, taking place from April 6–8 at the prestigious Happo-en in Tokyo, has established itself as one of the most influential global events in Web3 and artificial intelligence. The summit brings together industry leaders, investors, startups, corporates, developers, innovators, and enthusiasts who want to understand, build, and scale next-generation solutions in Web3 and AI. In an era where technology evolves faster than ever, attending TEAMZ is a strategic decision for anyone who wants to stay relevant in a rapidly changing industry.

​TEAMZ SUMMIT 2026 Pre-Event “Sushi Night” Announced!
November 17, 2025
November 17, 2025

​TEAMZ SUMMIT 2026 Pre-Event “Sushi Night” Announced!

We’re excited to host a special pre-event for TEAMZ SUMMIT 2026 — “Sushi Night”! At this event, we’ll share the latest updates about TEAMZ SUMMIT 2026, taking place next April at Happo-en, along with an introduction to our Title Sponsor Envo, opportunities for sponsorships and partnerships, information on side events, and details about our Super Early Bird tickets.Enjoy delicious sushi while networking with key players and business leaders from the Web3 and AI industries!