Senem Özbilen

Advising on high‑risk tax controversies and international tax structuring where regulatory precision and strategic foresight are essential.

Biography

Senem Gezek Özbilen leads OA’s tax and administrative law practice.

Her work focuses on complex tax disputes and international tax structuring. She regularly represents companies in tax audits and litigation and advises on cross‑border investment structures designed to achieve tax efficiency while remaining defensible before tax authorities.

Before joining OA, she worked within the tax controversy practices of two Big Four firms and later within the international tax structuring practice of a global law firm.

Representative Matters

Representing multinational groups in high‑value tax disputes arising from audits and administrative penalties in sectors including manufacturing, telecommunications and life sciences.

Designing international holding and investment structures for cross‑border investments involving multiple jurisdictions and tax treaty frameworks.

Advising companies on tax structuring aspects of mergers, demergers and corporate reorganizations involving complex group structures.

Advising investors and developers on tax structuring for major real estate and infrastructure investment projects.

Focus Areas

• Tax Controversy

• International Tax Structuring

• Tax Due Diligence

• Corporate Reorganization

• Regulatory Risk