International expertise

Our Team

Our team has extensive experience in public international law, international negotiations, and strategy building. The focus of our work is international organisations but also international civil servants.

A portret of Marine Veissiere
Attorney-at-Law – Avocat – Founder

Marine Veissiere​

Marine is Avocat and is registered as a European lawyer with The Hague Orde Van Advocaten (Netherlands) and is a member of the Marseille Bar (France).

She obtained her certificate of aptitude for the legal profession (CAPA) at the Paris Bar School. She graduated in International Administrative Law (Master) and International Law (Maitrise) from the University Paris II Panthéon-Assas (France). She also holds a bachelor’s degree from the University Paris II Panthéon-Assas and Universidad del Rosario, Bogota (Colombia).

She specialises in the law of international organisations and international civil servants, having worked on cases involving over 20 international organisations worldwide. Her work covers all stages of advice and representation, from drafting policy, rules and regulations, to investigation, negotiation, litigation or arbitration.

She advises and represents staff associations, unions, and staff members at all levels before internal mechanisms and international administrative tribunals (e.g. ILOAT).

Marine also advises international organisations in policy drafting and governance matters, including privileges and immunities.

Marine’s dedication to her clients and commitment to excellence have earned her a wide-ranging portfolio of international clients. Her fluency in English, French, and Spanish ensures effective communication and understanding with our diverse clientele.

Abogada

Belén Terzian Cajaraville

Belén is an Abogada from Argentina.

Belén has 9 years of experience in the legal field, working on over 200 cases in administrative law and labour and social security law before domestic tribunals, and international criminal law and international humanitarian law before international tribunals. Furthermore, Belén has conducted extensive research as a Fellow in various projects related to human rights law, international criminal law and international humanitarian law.

Belén was awarded a cum laude LL.M in Public International Law from Leiden University (The Netherlands), a cum laude Master’s in Law with concentration in Public International Law from the University of Buenos Aires (Argentina), and a Bachelor’s in Law from the same university. She has also completed semesters abroad at New York University (United States) and Boston University (United State).

Belén works in both Spanish and English.