Aceris’ arbitration lawyers have served as counsel in dozens of international arbitrations, under the ICC, ICSID, SIAC, PCA, LCIA, ICDR, DIAC, JAMS, CICA, UNCITRAL and other arbitration rules. All of our arbitration lawyers speak English and French fluently, and they speak a variety of other languages including Russian, Romanian, Spanish and Arabic. We serve as counsel for international disputes on all continents. We have yet to lose a case where we served as lead counsel.
Aceris Law LLC’s offices are located in Geneva, Paris and London, but its lawyers have permanent access to offices in over 110 countries to meet and work with clients. Aceris works closely on cases with the other highly-specialised international arbitration lawyers of the IAA Network, who are based in London, Paris, Madrid, Istanbul, Singapore, New York, Los Angeles and Pretoria, South Africa.
William Kirtley, a founder of Aceris Law and the IAA Network, is a Franco-American Harvard, Columbia and Sorbonne trained arbitration lawyer with 15 years of experience specializing in international commercial, investment and construction arbitrations. He is a member of the New York and Washington Bars and a former French Avocat à la cour. He has served as counsel or arbitrator in disputes on all continents, under the UNCITRAL, ICC, ICSID, SCC, LCIA, CICA, CIArb, PCA, SIAC, DIAC, JAMS, AFA and other arbitration rules.
Recognized by Décideurs in 2014, 2015, 2016 and 2017, and nominated for Who’s Who, named as the “Best of the Best” in Acquisition International’s legal awards of 2015 as well as one of the “Ones to Watch“, clients say he is a “great arbitration lawyer” who is “smart,” is “reliable, dynamic, loyal and committed,” is “fair and transparent” and “will seek 100% 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 “great integrity.” They also cite his “excellent understanding of international arbitration case law and strategy” while noting that he is “easy to work with” and he “never gives up” in order to make his clients’ cases “go from success to success.”
Formerly a partner at a well-regarded arbitration boutique founded in Paris with a Shearman & Sterling partner, he previously practiced law in the highly-regarded international arbitration practice groups of Shearman & Sterling and Dentons, after serving as an American Peace Corps Volunteer for two years in rural West Africa and working at the United Nations International Criminal Tribunal for Rwanda in Tanzania.
He has served as lead counsel in numerous commercial and investment arbitrations on all continents, and he regularly publishes articles in leading journals such as Kluwer’s Journal of International Arbitration and the ICSID Review. He is a member of the International Arbitration Institute, regularly speaks on international dispute resolution topics, has taught arbitration law at various universities and has served as an expert for the World Bank on ADR legislation. He has served as arbitrator in multiple arbitrations at the ICC and the DIAC, and he has worked with clients of dozens of different nationalities over the course of his legal career and speaks English, French, Spanish, Arabic, Baoulé and Bambara.
Dr. Marie-Camille Pitton is a Harvard, Oxford and Sorbonne educated arbitration lawyer, who is registered as an attorney in New York and was formerly registered at the Paris Bar. Marie-Camille Pitton has over a decade of experience in international arbitration and arbitration-related litigation, serving clients from diverse jurisdictions.
Until March 2017, Marie-Camille Pitton was a Counsel at the ICC Court of arbitration, where she supervised hundreds of arbitration proceedings, with a specific focus on cases related to France, Africa and the Middle East. In this capacity, she has been confronted with every possible procedural difficulty and advising arbitration professionals (arbitrators, counsels and in-house counsels) from a myriad of jurisdictions. Between 2008 and 2012, Marie-Camille Pitton was an associate in the international arbitration and litigation group of a leading American international corporate law firm. She previously worked at University Paris 1 as a teaching assistant, while completing her PhD in the field of private international law and sales law, which was published by Eleven publications in 2013.
Marie-Camille Pitton has represented clients involved in arbitral proceedings under a variety of institutional rules (ICC, LCIA, ICSID) and also in ad hoc arbitration proceedings. Marie-Camille also has a very good track record in conducting litigations in connection with arbitral proceedings.
Marie-Camille Pitton is also engaged in the promotion of international arbitration as a tool for regional integration and economic development in West Africa (OHADA zone) and in the Caribbean (OHADAC zone), where she is currently overseeing the creation of a new arbitration center.
A graduate of the prestigious College of Europe, Andrian Beregoi joined the arbitration lawyers of Aceris in 2016. He has significant experience with ICC, ICSID, LCIA and UNCITRAL arbitrations. Andrian speaks English, French, Russian and Romanian.
Andrian received an LLM from the College of Europe in European Law, drafting a thesis on the regulatory power doctrine in customary international law and the CETA draft agreement (EU-Canada Comprehensive Economic and Trade Agreement). He previously studied at the Université de Versailles Saint-Quentin-en-Yvelines, obtaining a Masters in Arbitration and International Trade Law, as well as the University of Madras in India, where he studied Indian international trade law.
His previous professional experience was obtained at the European Commission – Legal Service – Trade policy and WTO in Brussels, Belgium, and during legal internships at Orrick Rambaud Martel, Lazareff Le Bars and Derains & Gharavi in Paris, France, and Singhania & Partners in in New Delhi, India.
He has also lectured at the EDHEC Business School, coaching students for the mediation competition organized by Centre de Médiation et d’Arbitrage de Paris (CMAP) in Paris, who obtained first place.
She 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.
She was also a legal intern in law firms in Belgrade and Berlin and a trainee at the German Bundestag in 2014 and a holder of the International Parliamentary Scholarship (IPS).
Nina participated in the Phillip C. Jessup Public International Law Moot Court Competition, representing Belgrade University in 2013 and reaching the final rounds, and she coached the Leiden Law School team for this competition in 2015. Nina joined the arbitration lawyers of Aceris in 2016.
Nina speaks English, Serbian/Croatian, Spanish, German and French fluently. She is qualified to practice law in Serbia.
Alja Romšak is a Slovenian and French-trained arbitration lawyer who holds the Slovenian Bar.
Alja previously worked as a junior associate with Rojs, Peljhan, Prelesnik & Partners, a top-tier arbitration law firm in Slovenia. She mainly served as counsel in investment arbitrations but also international commercial arbitrations. Prior to this position, Alja worked at the International Chamber of Commerce (ICC) as project coordinator for Top-Level Domain Names Dispute Resolution.
Alja’s arbitration experience was also obtained at Clifford Chance in Paris, where she was a trainee, and an internship at the ICC International Court of Arbitration. During her time at Clifford Chance, Alja also assisted with International Commercial Arbitration classes at the Paris Institute of Political Studies (Sciences Po).
As a Foreign Affairs scholarship recipient, Alja also performed internships at the diplomatic protocol of the Slovenian Ministry of Foreign Affairs and at the Slovenian Embassy in Berlin. Her pro bono work has included legal assistance at the Administrative Court of the Republic of Slovenia on asylum law cases as a part of pro bono project of the Ljubljana Legal Clinic for Refugees and Foreigners.
Alja graduated from the University of Ljubljana with honours. During her studies, she focused on international dispute resolution, taking courses on alternative dispute resolution at the Humboldt University of Berlin and spent a semester studying international and EU law and antitrust law at the Université Paris Ouest Nanterre La Défense. As a student, Alja was a member of the University of Ljubljana teams for the ICC Commercial Mediation Competition in Paris and the Willem C. Vis International Commercial Arbitration Moot in Hong Kong and Vienna, where she participated as a speaker and her team qualified for the Frédéric Eisemann Award for Prevailing Team at Oral Hearings.
She speaks English and Slovenian fluently and has a working knowledge of French, German and Serbian/Croatian.
Aceris has one or two trainees at all times, serving for 3-or 6-month internships or consultancies. Interns from outside of the EU are encouraged to apply and may remain in their State of origin if they wish through a remote internship (Aceris supplies the technology). We choose our interns and consultants solely on the basis of their academic excellence and their desire to become arbitration lawyers.
Celine Pommier holds a LL.M. from American University Washington College of Law where she specialized in International Commercial Arbitration and International Business Law. She previously obtained an LL.M. in European Union Law and Competition Law at the Carlos III University of Madrid.
During her studies, Celine also interned at the International Center for the Settlement of Investment Disputes in Washington, DC where she joined one of the Case Management Teams. Celine speaks fluent French, Spanish and English.
Thomas Davis is a New York-qualified lawyer with prior experience in international dispute resolution as a trainee at top-tiered firms in Paris and Dubai (Shearman & Sterling and Freshfields). He holds a Juris Doctor degree from the University of Miami School of Law where he was Symposium Director for the school’s Race & Social Justice Law Review and was the creator of a student-exchange program with the University of São Paulo in Brazil.
During that time he also authored two articles for publication. Prior to law school, Thomas obtained his Bachelor of Arts degree from Tulane University in New Orleans. He is a native English speaker and proficient in French and Portuguese.
Katarina Grga is a Serbian-trained lawyer. She graduated from the Faculty of Law University of Belgrade in Serbia with honours and holds a Master’s degree in International Economic Law from the University Paris 1 Pantheon-Sorbonne. She previously worked as an associate in a corporate law firm in Belgrade and interned in the tax consulting sector of Deloitte and in the Office of the Ombudsman of the Republic of Serbia.
During her studies, she participated in the 2013 Phillip C. Jessup Public International Law Moot Court Competition, representing Belgrade University and reaching the final rounds and obtaining 3rd place for her memorandum as a Belgrade Law School team member in the 2013 FDI International Moot Court Competition, which was published in TDM. Katarina is fluent in English, French, Italian and Serbian/Croatian.
Aceris works hand-in-hand with other members of the IAA Network. The IAA Network’s members are located in Paris, London, Madrid, Singapore, Istanbul, New York, California and South Africa. This allows Aceris to scale its legal teams to any size. All of the arbitration lawyers of the IAA Network have practiced at large international firms for many years or are professors of international law. William Kirtley and Elisa Warbington practiced together at Shearman & Sterling, Eric Chang and Sylvana Sinha practiced at Hogan Lovells, Thibault Beurnier headed the arbitration practice group at CMS Bureau Francis Lefebvre, Alberto Echarri was a partner at Ernst & Young LLP, Professor Ata Sakmar and Turgut Aycan Özcan practice at one of Istanbul’s leading arbitration law firms. Professor Denis Mouralis is a professor of international law at a leading French university, and Professor Dire Tladi is a professor of international law and a member of the United Nations International Law Commission.