In October 2026, we are establishing MX Law Office (MX法律事務所) in Tokyo, built upon the international network of the Mung Group. Following Hong Kong and Singapore, MX becomes a new regional hub supporting companies at the forefront of Finance, FinTech, Web3, AI, and international regulatory developments.
Under the brand concept: Market Transformation (MX) MX Law Office operates as an international legal hub for finance, FinTech, and AI, dedicated to supporting the transformation of global financial markets.
An International Legal Team of Three Experts
MX Law Office is led by the following three professionals.
Drawing on extensive practical experience and international expertise, our team translates Japan’s complex regulatory environment into a clear and actionable playbook.
Jiro Masuda (Managing Partner, Tokyo)
Expert in International Financial Regulation, Cross‑Border Financial Markets, and AI Governance
Jiro Masuda is a specialist in international financial regulation, cross‑border financial markets, AI governance and Tokenized Products. He serves as Vice Chair of an IOSCO Committee, contributing to global standard‑setting in collaboration with regulators worldwide. At Japan’s Financial Services Agency (FSA), he worked on international regulatory matters, engaging in cross‑border supervisory cooperation and the domestic implementation of international policy.
With 24 years of market‑side experience at Goldman Sachs, he brings deep insight into market structure, derivatives, product design, and the intersection of regulation, technology, and capital. His combined regulatory and market expertise enables him to provide clear, actionable guidance in complex and fast‑evolving financial sectors.
Full Profile
Makoto Takada (Managing Partner, Tokyo & Hong Kong)
Expert in PE/RE Funds, Cross‑Border M&A, and Family‑Office Advisory
Makoto Takada is a specialist in private equity and real‑estate funds, cross‑border M&A, and family‑office legal advisory. He led Fund and Investment Legal at Goldman Sachs, gaining deep insight into financial‑market transactions, fund structuring, and complex deal execution. He later served as Head of Legal at Advantage Partners, one of Asia’s leading private‑equity firms, where he oversaw major transactions across the region.
His experience spans sophisticated acquisitions, multi‑jurisdictional negotiations, fund governance, and strategic legal support for family offices and institutional investors. He provides clear, execution‑focused legal guidance that enables clients to navigate cross‑border challenges with confidence.
Full Profile
Monin Ung (Managing Partner, MUNG Legal, Hong Kong)
Expert in Blockchain, Emerging Technologies, and International Corporate Law
Monin Ung is an international lawyer qualified in England (Barrister), Singapore (Advocate), and Hong Kong (Solicitor)—a rare tri‑jurisdiction qualification. She has extensive experience in blockchain disputes, digital‑asset regulation, AI/cloud/biotech governance, and cross‑border corporate matters, advising listed companies, family offices, private funds, and Web3 developers across Asia.
With over 20 years at international law firms, including Magic Circle firms, she has deep expertise in cross‑border M&A, corporate advisory, technology‑related disputes, and regulatory compliance. She is recognized as a leading practitioner in Web3, AI, and emerging technologies, providing legally sound and commercially practical solutions in fast‑evolving sectors.
Full Profile