Our acclaimed lawyers have served as counsel in over two hundred international commercial, construction and investor-State arbitrations under the ICC, ICSID, UNCITRAL, LCIA, ICDR, SIAC, SCC, DIAC, HKIAC, JAMS, AAA, LCAM, LMAA, CICA, OHADA and other arbitration rules. We provide legal representation for international arbitrations under nearly all laws and have accrued an outstanding record of successes for past clients. All of our arbitration lawyers speak English and French, while our team also speaks other languages fluently including Mandarin, Spanish, Portuguese, Polish, Arabic, Serbo-Croat, Czech, Slovak, Greek, German and Russian. Our goal has always been to provide the best value for unparalleled arbitration legal representation, while resolving every dispute in line with our client’s interests.
William Kirtley
William Kirtley, Managing Partner of Aceris Law, is a Franco-American Harvard, Columbia and Sorbonne-educated international arbitration lawyer with two decades of experience focusing on international commercial, investment and construction arbitration at the highest level. He is a member of the New York and Washington Bars and a former French Avocat à la Cour, who was previously a member of the international arbitration practice groups of Shearman & Sterling and Salans (now Dentons). He has served as lead counsel in disputes on five continents, under the ICC, ICSID, UNCITRAL, LCIA, SCC, ICDR, CICA, LCAM, SIAC, DIAC, JAMS, DIFC-LCIA, AAA, AFA and other arbitration rules, winning or amicably resolving the vast majority of disputes where he has served as counsel. Recognized by the Legal 500 and Décideurs for many years, named as the “Best of the Best” in various legal awards, as well as “Who’s Who” in the field of international arbitration, clients call him a “great international arbitration lawyer” who is “incredibly smart“, “reliable, dynamic, loyal and committed to his clients“, “fair and transparent” and “a lawyer who will seek one hundred percent to guard the interests of his client“. They also call him “hard-working and highly responsive” with “depth of knowledge and experience in international dispute resolution” and “an unstoppable work ethic“. They also cite his “excellent understanding of international arbitration case law and strategy” while noting that he is “very easy and pleasant to work with” and he “never abandons a case halfway, no matter how hard a case can be“. He also serves as arbitrator under a variety of arbitration rules and is directly involved in all work of Aceris Law LLC.
Zuzana Vysudilova
Zuzana, Senior Associate at Aceris Law, is a Slovak national and Sorbonne/Assas-educated lawyer registered at the Paris Bar with more than a half decade of experience in international arbitration. Zuzana has served as counsel in high-profile commercial and construction arbitrations under the ICC, UNCITRAL, SCC, LCIA, PCA and other arbitration rules. She has represented companies and States in disputes across a broad range of industries (real estate, construction, energy, civil aviation, cryptocurrency, etc.) under French, Swiss, English, Georgian, Kazakh, Saudi, OHADA and other laws. Zuzana has represented an Eastern European State-owned company in Dispute Adjudication Board proceedings against an Indian construction company concerning a USD 15 million dispute over the construction of an OHL transmission line. She has also served as counsel for a publicly-listed company in an SCC arbitration under English law against a Dubai-based company in a dispute regarding a logistics contract involving, inter alia, issues of application of the U.S. economic sanctions through the prism of force majeure. Zuzana has also acted as counsel for a Singapore-based company in a successful ICC arbitration over a civil aviation dispute; for an Austrian company in a successful ICC arbitration against a Mauritanian company in a construction dispute; for a Kazakh company in an ICC arbitration against a Joint Venture composed of Italian and Kazakh companies concerning a road construction project; and for a Saudi company in an ICC arbitration against another Saudi company over a construction dispute in relation to a refinery project. Zuzana also represented a foreign investor in a successful multi-million dollar UNCITRAL ad hoc investment arbitration against a West African State in a judicial expropriation-related dispute. Zuzana speaks English, French, Slovak and Czech fluently and has basic knowledge of Russian.
Anne-Sophie Partaix
Anne-Sophie Partaix, Associate at Aceris Law, a French national with significant international experience, is admitted to the Paris bar. She speaks French, English and Spanish. Anne-Sophie has served as counsel for Claimant, an American company, in an ICDR arbitration under New York law against a South-Korean company involving blockchain technologies. She has also served as counsel, on behalf of Respondents, of a SIAC arbitration governed by Japanese law involving nine parties, which concerned a joint venture agreement. Anne-Sophie has also served as counsel in an international dispute between American and Chinese companies in the solar industry that was resolved successfully in favor of Aceris Law’s client. Anne-Sophie has been described by Aceris Law’s clients as “highly responsive and quick to adjust to the subtle differences between Europe and the United States”. Prior to joining Aceris Law, she was an intern at Herbert Smith Freehills in Paris, an intern at Orano (ex-Areva), an intern at the Rasseck Bourgi Law Firm, where she assisted in obtaining over USD 200 million in compensation for a foreign investor. Anne-Sophie obtained a Master 2 in International Economic Law at the University of Paris II (Panthéon-Assas), after obtaining an LL.M. in Public International Law at Queen Mary University in London and a Master 1 in International Law and European Law at the Faculté libre de Droit in Lille.
Bendegúz Bálint Soós-Nagy
Bendegúz Bálint Soós-Nagy is pursuing his studies at Eötvös Lorand University Faculty of Law in Budapest. He is a final year law student from Hungary engaged in and passionate about commercial arbitration and investor-State dispute settlement. Prior to joining Aceris Law as a trainee, he was an intern at Kende, Molnár-Bíró, Katona Attorneys at Law in Budapest. He speaks Hungarian, English, Spanish and French.
Lina Kadik
Lina Kadik is pursuing a Master 2 in International Economic Law at the University of Paris I – Panthéon-Sorbonne. She is serving as a trainee at Aceris Law. She speaks native French and Arabic, as well as fluent English and German. Prior to joining Aceris Law, Lina was an intern at Cabinet Mac Mahon Avocats in Paris.
Nina A Jankovic
Nina A Janković, Senior Associate at Aceris Law, holds an LLM in Public International Law from Leiden University, the Netherlands, and an LLB from Belgrade University, Serbia, graduating summa cum laude. She has considerable experience in international construction, investment and commercial arbitration. Prior to joining Aceris, Nina was a Graduate Trainee in the International Arbitration Group of Freshfields Bruckhaus Deringer in Paris and a former intern at the Permanent Court of Arbitration (PCA) in The Hague. Nina has served as counsel in numerous arbitrations under the UNCITRAL, SIAC, SCC, ICC, LCIA, PCA, AAA, ICDR and other arbitration rules, involving English, Bosnian, Saudi, Uzbek, Angolan, Singapore and other laws. Recent cases, concluded successfully in favor of Aceris Law’s clients, include, inter alia, an LCIA arbitration under Saudi law regarding the construction of a desalination plant in the Middle East; an UNCITRAL ad hoc arbitration involving the construction of a water distribution network in Angola; and a SIAC arbitration under Singapore law regarding the construction of a desalination plant in Oman. She has also represented a publicly-listed Malaysian company in a USD 400 million dispute involving a natural gas construction project in Uzbekistan against a subsidiary of a Russian multinational company in the oil and gas sector, as well as a Greek construction company in an UNCITRAL arbitration administered by the PCA against a Bosnian state agency involving the construction of a wastewater treatment plant governed by Bosnian law. Clients praise her as a “very well organized”, a “methodical researcher” with “a very sharp intellect”, “cutting through unnecessary information with excellent drafting ability to present the case succinctly”. They also find her very “friendly and professional”, “easily approachable and very responsive”. Nina speaks English, Serbian/Croatian, Spanish, German and French fluently, and she has basic knowledge of Portuguese. She is qualified to practice law in Serbia.
Isabela Monnerat Mendes
Isabela Monnerat Mendes, Associate at Aceris Law, is a Brazilian national authorized to practice law in Brazil who has passed the Paris Bar equivalency examination. Isabela has served as counsel in numerous arbitrations in different business sectors. She has represented a European IT group in an LCIA arbitration against an African company under English law, as well as a Saudi client in a dispute concerning the construction of a power plant in Riyadh under Saudi law. She has also served as counsel in a dispute over a stock purchase agreement under New York law and in multimillion-dollar arbitral proceedings under the SCC Arbitration Rules. Isabela has been involved in numerous ICC and ad hoc arbitrations under Swiss law, English law, and Saudi law in the fields of construction, energy, IT and distribution. Additionally, Isabela has robust experience in investment arbitration and commercial arbitrations involving State entities. She has served as counsel in an ICSID arbitration representing a French investor, and she has assisted with expert reports in the fields of investment arbitration and public international law. Prior to joining Aceris, Isabela worked as an Associate in a boutique law firm specialized in Latin American arbitration, where she was involved in the firm’s investment arbitration cases. Isabela obtained an LL.M. in Comparative and International Dispute Resolution in London at the Queen Mary University of London. She also obtained a Master 2 in Arbitration and International Commerce at the University of Versailles Saint-Quentin-en-Yvelines, as well as a law degree at the Pontifícia Universidade Católica de São Paulo with Honors. Isabela has published a number of articles on investor-State arbitration, in English and Portuguese, and speaks fluent English, French, Portuguese and Spanish.
Anastasia Tzevelekou
Anastasia Tzevelekou, Associate at Aceris Law, is an arbitration lawyer based in London, experienced in both civil law and common law systems. Anastasia has served as counsel in LCIA arbitrations under English law, notably in the steel and energy sectors. She has also served as counsel in construction disputes, including dispute board proceedings in the electricity industry. In addition, Anastasia has served as counsel in an SCC arbitration regarding a logistics contract, multiple ICC arbitrations under American law, Saudi law, Swiss law and other laws, on behalf of multinational corporations in the cryptocurrency, distribution, automotive and other sectors. She has also advised a European third-party funder on the potential acquisition of a large arbitral award against an African State and enforcement issues involving sovereigns. She has also represented a Saudi company in an LCIA arbitration under English law involving lost profits in the commodities sector. She has also served as counsel in two ICC disputes under Swiss and African laws in the technology and pharmaceutical industries and assisted an arbitrator in a DIFC-LCIA arbitration concerning an EPC contract. Anastasia holds an LL.M. in International Business Law from the London School of Economics, as well as an LL.M. in International Commercial Arbitration and a Bachelor’s Degree in Law, both from the Democritus University of Thrace in Greece, graduating in the top 1% of her class. Prior to joining Aceris, Anastasia worked at KPV Legal, a boutique firm in Athens, assisting with international arbitration cases and advising corporations in the aviation, pharmaceutical, distribution, energy and other sectors. Anastasia speaks English, French and Greek.
Mouna Baakil
Mouna Baakil is Aceris Law’s Office Manager. Mouna holds a Master II in International Commerce and Management obtained at ESCI Paris and studied law in London at The London Metropolitan University. Prior to joining Aceris, Mouna worked at PWC Morocco. She also worked as marketing and communication manager for a VOIP company based in Casablanca with several branches in France, India and Lebanon. She further served as business manager at Brasserie Kronenbourg of the Carlsberg Group and was a marketing assistant at Cooper Power Tools France. She is Moroccan of origin and speaks fluent French, English and Arabic. Mouna may be contacted regarding traineeships, marketing, billing or operational issues and is always available to answer any questions regarding Aceris Law.
