Junichi Ikeda
Mediator
Short Introduction
Junichi Ikeda is an international commercial mediator, former judge and partner at one of Japan's leading law firms, specialising in complex commercial, construction, infrastructure and cross-border disputes. With a unique combination of judicial settlement expertise, high-value commercial litigation and transactional negotiation experience, he helps businesses resolve complex disputes involving international trade, mergers and acquisitions, energy, product liability and commercial contracts.
Before entering private practice, Junichi served as a district court judge in Japan, where he regularly conducted judicial settlement proceedings and court-appointed mediations, achieving settlement rates well above national benchmarks. His experience enables him to combine careful analysis, commercial understanding and practical negotiation techniques to help parties achieve efficient and lasting resolutions.
Before entering private practice, Junichi served as a district court judge in Japan, where he regularly conducted judicial settlement proceedings and court-appointed mediations, achieving settlement rates well above national benchmarks. His experience enables him to combine careful analysis, commercial understanding and practical negotiation techniques to help parties achieve efficient and lasting resolutions.
Testimonials
"Without his client-focused approach, this complex dispute would not have reached a settlement."
"He is quick and decisive and is considered invaluable."
About Work
Commercial, construction and international disputes are central to Junichi's mediation practice. He regularly assists multinational businesses, manufacturers, investors, infrastructure companies, financial institutions and public sector organisations in resolving disputes involving commercial contracts, construction projects, shareholder relationships, mergers and acquisitions, product liability, investments, distributorships and international trade.
Alongside his mediation practice, Junichi is a partner at Nagashima Ohno & Tsunematsu, one of Japan's leading law firms, where he advises clients on some of the country's most significant commercial disputes, international arbitrations and cross-border litigation. His earlier career as a district court judge provides valuable insight into judicial settlement processes, litigation risk and effective dispute resolution, while his transactional practice enables him to understand the commercial objectives that underpin complex negotiations.
His dispute resolution experience includes international supply chain disputes, construction and engineering projects, infrastructure and energy matters, mergers and acquisitions, shareholder and joint venture conflicts, product liability claims, distributorship disputes, banking and investment matters, commercial property transactions and complex cross-border commercial litigation. He is particularly experienced in disputes involving Japanese businesses, international stakeholders, multi-jurisdictional issues and technically complex commercial projects.
Clients value Junichi's pragmatic, disciplined and commercially focused approach. Drawing on his judicial and transactional experience, he helps parties move beyond legal positions to understand commercial interests, evaluate litigation risk realistically and develop practical settlement frameworks that support durable, long-term outcomes.
Alongside his mediation practice, Junichi is a partner at Nagashima Ohno & Tsunematsu, one of Japan's leading law firms, where he advises clients on some of the country's most significant commercial disputes, international arbitrations and cross-border litigation. His earlier career as a district court judge provides valuable insight into judicial settlement processes, litigation risk and effective dispute resolution, while his transactional practice enables him to understand the commercial objectives that underpin complex negotiations.
His dispute resolution experience includes international supply chain disputes, construction and engineering projects, infrastructure and energy matters, mergers and acquisitions, shareholder and joint venture conflicts, product liability claims, distributorship disputes, banking and investment matters, commercial property transactions and complex cross-border commercial litigation. He is particularly experienced in disputes involving Japanese businesses, international stakeholders, multi-jurisdictional issues and technically complex commercial projects.
Clients value Junichi's pragmatic, disciplined and commercially focused approach. Drawing on his judicial and transactional experience, he helps parties move beyond legal positions to understand commercial interests, evaluate litigation risk realistically and develop practical settlement frameworks that support durable, long-term outcomes.
Expertise
- Commercial & Corporate
- Banking, Finance & Insurances
- Construction, Property & Planning
- Industry, Energy & Environment
- International Trade & Competition
Languages
- English
- Japanese
Awards
- Former District Court Judge, Tokyo District Court
- Former District Court Judge, Kushiro District Court
- Former court-appointed civil mediator
- Former Coordinator, Legislative Council of the Ministry of Justice of Japan
- Partner, Nagashima Ohno & Tsunematsu
- CEDR Accredited Mediator (2023)
- CEDR Panel Mediator (2026)
Memberships
- Admitted to practise law in Japan
- Admitted to practise law in New York
- Committee Member, Subcommittee on Contract & Legal, Engineering Advancement Association of Japan (ENAA)