LAWYER PROFILE
Hiroyuki Masuda

Hiroyuki Masuda

Global 2026

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Ranked in 1 practice area

About

Provided by Focus Law Asia

Global

Practice Areas

Cross-border mergers and acquisitions, corporate alliances and strategic partnerships, joint venture formations, foreign direct investment, corporate governance and compliance, corporate restructuring, commercial transactions, and dispute resolution. He has particular expertise in transactions involving the Asia Pacific region (with a strong focus on Singapore and ASEAN) and Europe. He advises across a wide range of industries, including life sciences and healthcare, manufacturing, technology, consumer, and services.

Career

Hiroyuki Masuda is a Partner at One Asia Lawyers Group, based in Singapore, where he practises through Focus Law Asia LLC, the Group's Singapore member firm. He began his legal career in 2012 as in-house counsel at Shionogi & Co., Ltd., one of Japan's largest pharmaceutical companies, where he handled international M&A, corporate governance enhancement, and compliance programme design and implementation in the life sciences sector. He subsequently joined a corporate law firm in Osaka, renowned for its expertise in M&A and corporate restructuring, where he advised a diverse range of companies, including on dispute resolution and litigation matters. In 2017, he relocated to Singapore and joined One Asia Lawyers. He currently leads the firm's M&A Practice Team and the Europe Practice Team.

Professional Memberships

Daini Tokyo Bar Association, Japan

Foreign Practitioner Certificate (Section 36B), Singapore

Solicitor, England and Wales

Personal

LL.B., Doshisha University (2007)

J.D., Kyushu University Law School (2010)

Languages Spoken

English, Japanese

Chambers Review

Provided by Chambers

Chambers Global Guide

Corporate/M&A - Japan

Expertise Based Abroad
Japan, expertise based abroad in Singapore

Individual Editorial

Hiroyuki Masuda of Focus Law Asia in Singapore is recognised for his expertise in advising Japanese clients on cross-border M&A transactions across the Asia-Pacific region, including Australia, Singapore and Malaysia. Clients value his practical approach and deep understanding of Japanese corporate needs.

Corporate/M&A - Singapore

Foreign Expert
Foreign expert in Japan

Individual Editorial

Hiroyuki Masuda frequently advises major Japanese and international corporations on a broad spectrum of cross-border transactions in the region, including investments and joint ventures. He is qualified in both Japan and Singapore and is currently based in Focus Law’s Singapore office.

Strengths

Provided by Chambers

  • He is a wonderful counsel who responds quickly and understands the client's intentions.

    Corporate/M&AChambers Global Guide
  • His service, communication and response are excellent, and I would definitely work with him again.

    Corporate/M&AChambers Global Guide
  • He is experienced and familiar with the laws of Japan and Singapore. His dedication and legal support to customers is excellent.

    Corporate/M&AChambers Global Guide

Ranked Individuals at Focus Law Asia (2)

Japan

Singapore

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