About

Osh Wijemanne has extensive experience advising multinational corporations and government institutions in matters of anti-bribery and anti-corruption and institutional integrity. His work involves the U.S. Foreign Corrupt Practices Act (FCPA), the U.K. Bribery Act, and related international laws, including the OECD Anti-Bribery Convention and U.N. Convention Against Corruption.

He is experience in all aspects of anti-corruption compliance and investigations, including designing and implementing integrity programs, managing third-party risk, and conducting investigations into fraud, corruption, and other prohibited practices.

Beyond his advisory and operational roles, Osh actively contributes to the development of legal and regulatory frameworks aimed at combating corruption and strengthening governance regimes. He provides policy guidance to regulatory bodies and international institutions, with a focus on practical and enforceable solutions.

Osh has held senior leadership roles, including Chief Compliance Officer for a large publicly traded multinational and Senior Legal Counsel at a Tier 1 U.S. Global Systemically Important Financial Institution (G-SIFI). He has also led the Anti-Bribery & Anti-Corruption (ABAC) and Third-Party Risk Management (TPRM) practices at a Big Four professional services firm, where he advised Global Fortune 500 companies and government institutions on complex compliance matters.

He is admitted as a Solicitor of the Supreme Court of New South Wales, Australia, and is a Member of the Anti-corruption Committee of the international Bar Association. Osh holds a Master of Laws (LL.M.), a Juris Doctor (J.D.), and a B.Sc. in Political Science and International Relations.

Areas of Expertise

Integrity & Good Governance Programs

Risk Assessments & Due Diligence

Anti-Corruption Research & Policy Development

Investigations Into Fraud & Corruption

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