Mr Hasan H. Yaşar > Kolcuoglu Demirkan Koçakli > Istanbul, Turkey > Lawyer Profile

Kolcuoglu Demirkan Koçakli
Hasan H.  Yaşar photo

Work Department

Capital Markets, Banking and Finance



Hasan H. Yaşar has significant experience in capital markets law as well as banking and finance law.

Hasan has successfully represented multinational banks, financial institutions, brokerage firms, portfolio management companies, investment funds and publicly held companies in various cross-border and domestic capital markets transactions including swap and derivatives transactions; repo transactions; equity and debt capital markets offerings; securitization; electronic money offerings; and provision of investment services, payment services and insurance products. He has represented the underwriters in all Eurobond offerings of the Republic of Turkey in the last 10 years.

Hasan has advised clients, such as Citi, HSBC, Barclays, Credit Suisse, Bank of America, UBS, Standard Chartered, Société Générale, QNB, ISDA, EBRD, IFC, JP Morgan, Julius Baer, RBS, Deutsche Bank, UniCredit, Mizuho, Nomura, Mitsubishi Bank, Deutsche Borse, Intesa San Paulo, Binance, Franklin Templeton and Fidelity Funds.

He also provides legal advice to local and foreign crypto service providers and crypto markets.


Hasan H. Yaşar joined Kolcuoğlu Demirkan Koçaklı as a partner in 2022. At the beginning of his career, he completed the programs of Central Bank of the Republic of Turkey and Borsa İstanbul A.Ş. (Turkish stock exchange). Before joining Kolcuoğlu Demirkan Koçaklı, he was a senior partner leading the capital markets team of another Istanbul based top-tier law firm where he worked for almost a decade.

He is the author of “What will the New Capital Markets Law Bring for Publicly Held Corporations?,” “Hissedar Magazine,” 2012/4, Issue 12 (2012).


English, Turkish


Ankara University School of Law (LL.B., 2008)

Lawyer Rankings

Turkey > Banking, finance and capital markets

(Next Generation Partners)

Hasan H. YaşarKolcuoglu Demirkan Koçakli

Capital markets disputes are a niche strength for the team at Kolcuoglu Demirkan Koçakli which covers a variety of work, from cross-border secured lending to portfolio restructuring, acquisition financing and regulatory compliance. Hasan H. Yaşar joined the firm from Pekin & Pekin in July 2022, further bolstering its capital markets prowess, an area in which he has acted for multinational banks, brokerage firms, investment funds and publicly held companies. Yaşar joins what is now a trio of practice heads, alongside Umut Kolcuoğlu, who has broad finance experience and a particularl focus on the German market; and Bihter Bozbay Inan, whose practice has a transactional focus.