News 05 Dec. 2024
Partner Dr. Alexandra G. Maier Recognized Again in Lexology Client Choice Award 2025, Mining Experts Category 2025
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Event 23 Oct. 2024
Counsel Mohannad El Murtadi Suleiman to Speak at the 2nd Annual Africa Arbitration Day in New York
Event 18 Aug. 2023
Partner Borzu Sabahi Speaks at FDI Moot Shenzhen
News 25 Jul. 2023
Partner Eric Gilioli Ranked in Top 10 Influential Energy & Natural Resources Lawyers in Kazakhstan in Business Today
Client Alert 10 Sep. 2026
California Responsible Textile Recovery Act: What Fashion and Luxury Companies Need to Know
Client Alert 20 Apr. 2026
Italy Implements the EU's “Breakfast Directive”: New Rules for honey, Juices, Jams and Milk
News 24 Aug. 2026
Curtis Advises Ecopetrol Capital AG on US$1.2 Billion Bridge Financing for Acquisition of Controlling Stake in Brava Energia
News 22 Oct. 2025
Curtis Named Leading Firm in Legal 500: Latin America 2026
News 17 Jun. 2025
Curtis Announces Dual Promotion to Partner and Counsel in Dubai
News 02 Jun. 2025
Curtis advises Al Ain Farms on two strategic acquisitions, making it the largest integrated dairy and poultry producer in United Arab Emirates
News 04 Aug. 2026
Curtis Files Amicus Brief on Behalf of Community-Based Organizations in the U.S. Territories in Supreme Court NEPA Case
Client Alert 10 Jul. 2024
EU Adopts New Restrictive Measures Against Belarus
Client Alert 26 Jun. 2024
The EU Adopts its 14th Sanctions Package Against Russia
event
Tom Francis to speak at Istanbul Arbitration Day 2026
news
Salah Malas Appointed ICC YAAF Regional Representative for the Middle East
Associate
Paris
P +33 1 42 68 72 23
F +33 1 42 66 39 62
Léna Stasyk focuses her practice on international investment arbitration, as well as international commercial arbitration, principally representing sovereign States and State-owned entities. She has particular experience in disputes arising from energy, construction, infrastructure and concession projects.
Ms. Stasyk has extensive experience in investor-State arbitration and has been involved in proceedings conducted under the ICSID, UNCITRAL and SCC Rules, including disputes exceeding US$1 billion.
She possesses particular experience in disputes arising from production sharing agreements, including matters involving petroleum cost recovery and fiscal stabilization. Her experience also includes disputes concerning hydrocarbons projects, construction and infrastructure projects, concession agreements, power generation and pharmaceutical investments.
Ms. Stasyk has also represented sovereign clients in connection with settlement negotiations and agreements, enforcement proceedings. She has appeared before an ICSID tribunal.
In 2025, Ms. Stasyk completed an Executive MBA at ESCP Business School. As head of her International Consulting Project, she led a multidisciplinary international team in taking a digital platform serving start-ups from concept to launch. She oversaw the development of its business model and governance framework, the preparation of an investor-ready business plan, and the launch of a fully operational website.
Prior to joining Curtis, Ms. Stasyk worked in the Paris and Kyiv offices of a leading French law firm, where she advised international financial institutions, public authorities and private companies on infrastructure, public-private partnership and concession projects. Her experience included IFC-supported projects in the energy, agricultural infrastructure and municipal services sectors, as well as advice on project agreements and government support arrangements.
Ukrainian
Russian
English
French
ESCP Business School, Executive MBA, with honors
Université Paris 2 Panthéon-Assas, College d’Europe, LL.M. (European Law) Honors
Kyiv University of Law of the National Academy of Science, Ukraine, M. Bus. (Business Law) Honors
Kyiv University of Law of the National Academy of Science, Ukraine, B.A. (Jurisprudence) Honors
France
Ukraine
International Arbitration
Commercial Disputes - Arbitration
Corporate