+81 3 5251 1601

Highly regarded


Bar admissions:

District of Columbia
Japan (registered foreign lawyer)
New York



Practice areas:

Capital markets : Debt
Capital markets : Equity

Masahisa Ikeda is Shearman & Sterling’s Asia Regional Managing Partner and Head of Tokyo Office. Masahisa is also a member of the firm’s Executive Group. Masahisa has extensive experience representing global companies and government agencies on a wide variety of matters, including capital markets, cross-border acquisitions, financings and disputes. He also represents numerous corporations on various government investigations, and regulatory and compliance matters, including investigations relating to securities law, antitrust law and FCPA, before the U.S. Department of Justice, the U.S. Securities and Exchange Commission, the U.S. Commodity Futures Trading Commission and the European Commission. Masahisa speaks frequently on international business issues and legal issues. Masahisa is on the board of numerous non-profit organizations in the U.S. and Japan including serving as a Director of the Tokyo Foundation and a Trustee of the International House of Japan.

  • Capital Markets
  • Mergers & Acquisitions
  • Investment Funds
  • Antitrust
  • Corporate Governance
  • Financial Institutions Advisory & Financial Regulatory
  • Private Banks & Private Wealth Management
  • Dodd-Frank, UK, EU & Other Regulatory Reforms
  • Anti-Corruption & Foreign Corrupt Practices Act (FCPA)
  • Intellectual Property & Technology Litigation

  • Media & Entertainment
  • Automotive
  • Technology
  • Nuclear
  • Financial Institutions

  • Harvard Law School, J.D, 1993, cum laude
  • University of Tokyo, LL.B., 1990
  • Harvard University, A.B., 1989, magna cum laude