Derin Altan

Association Partner, Istanbul


Derin Altan has a wide-ranging practice which covers both debt and equity capital markets. Clients describe him as a “very intelligent” lawyer who “comes back with the right answers, keeps his cool even in stressful situations and is very good at interacting with people.”


Derin Altan is a local partner of GKC Partners. Derin leads the capital markets practice group in Turkey and focuses on both equity capital markets and debt capital markets issuances including Islamic products, and also regularly advises clients on pure regulatory issues and M&A transactions involving listed entities. Derin represented both issuers and underwriters in the public offerings and projects regarding shares, covered warrants, public disclosures, derivative instruments and over-the-counter products, foreign securities, intermediary institutions. He holds "Advanced Level Capital Markets License" and "Corporate Governance Rating License" issued by the Turkish capital markets regulators.

Derin speaks regularly at industry conferences and seminars relating to equity and debt capital markets as well as financing and M&A transactions of public companies. Derin also appears as a guest lecturer in universities and industry groups. He was a member of the audit board in the Corporate Governance Association of Turkey between 2012 and 2013, and he currently is a member of the board of directors of the Association of Capital Markets Professionals.

Bars and Courts
Istanbul Bar Association

Bogazici University, Economics and Finance

Istanbul University

Faculty of Law

For Turkish law matters, White & Case works with GKC Partners in Istanbul.


Represented Emlak Konut Gayrimenkul Yatırım Ortaklığı A.Ş. in its secondary public offering of 1.3 billion round lot of 100 shares.

Represented Unlu Menkul Degerler A.S. (Unlu Securities) acting as the sole global coordinator in the sale of 20 percent of Ulker Biskuvi Sanayi A.S. (BIST: ULKER) through a Rule 144A accelerated bookbuilding.

Represented IHH Healthcare Berhad in relation to matters with Turkish law, in its Rule 144A / Regulation S offering and dual listing in the main markets of Malaysia and Singapore exchanges.

Represented Salini Impregilo S.p.A., as issuer, and Salini Costruttori S.p.A., as selling shareholder, on the US and UK law aspects of its €513.3 million share placement to institutional investors of Salini Impregilo S.p.A.'s shares.

Represented Intesa Sanpaolo S.p.A. in connection with a US$2 billion Tier 2 subordinated Yankee bond placed under its US$25 billion Medium Term Note Programme.

Represented the Republic of Ukraine, on its global offering of US$1 billion 1.844% Guaranteed Notes due 2019.

Represented UniCredit Bank AG, London Branch as arranger on a TL800 million Turkish Covered Bond Programme for Sekerbank T.A.S. This issuance was for Series 2014-1.

Represented Luna Holdings Inc. (VTB Private Equity investment vehicle) as a selling shareholder in connection with the initial public offering of global depositary receipts (GDRs) representing shares in the capital of Lenta Ltd., one of the largest retail chains in Russia.

Represented ADR – Aeroporti di Roma S.p.A. – the company which manages Rome airport, on the launch of its €1.5 billion EMTN programme and inaugural issuance of €600 million 3.250 percent Senior Unsecured Notes.


Derin frequently publishes in journals, newspapers and magazines mostly on matters relating to capital markets. He has been involved in more than a dozen of publications published in peer-reviewed academic journals in law and economics. His first book on initial public offerings is due to be published by the end of 2017.

Awards and Recognition

Band 3, Chambers & Partners, 2017 Capital Markets – Turkey

Listed as a specialist by Who's Who Legal Capital Markets