Jacques Pellerin

Founding Partner


Jacques Pellerin is a Doctor of Law and has taught civil law, commercial law, and civil procedure at the University of Sceaux (Paris XI), for more than 40 years, where he has as also directed the Master’s programme in procedural law. He currently teaches domestic and international arbitration law, as well as civil procedure, at the Panthéon-Assas University (Paris II) and at Sciences Po.

He was an avoué at the Paris Court of Appeal from 1986 to 2012 and presided over the Paris Chamber of Avoués from 2008 to 2012.

He was called to the Paris Bar in 1969. His experience and his in-depth knowledge of both litigation and arbitration proceedings have led him being instructed in many disputes relating to the challenge or enforcement of arbitral awards before the Paris Court of Appeal.

He also regularly sits as arbitrator. He is currently the vice-president of the French Arbitration Committee.

He took part in the drafting of several recent reforms dealing with such important matters as the appeal procedure and the new French law on arbitration: in 2008, he was a member of the Commission for the reform of appeal procedure, known as the Magendi Commission; between 2003 and 2006 he was a member of the French Arbitration Committee’s Commission for the Reform of French law on Domestic and International Arbitration, and headed up the group on the recourse against arbitral awards.

He is regularly invited to speak at conferences, training sessions and round tables organised on the theme of arbitration and civil procedure. He is also the author of many publications on these subjects.

Contact details for Jacques Pellerin:

+ 33 6 13 25 17 73

Marianne Kecsmar

Founding Partner


Prior to cofounding the international arbitration network, PKM Avocats, Marianne has practiced for 15 years in the litigation and arbitration departments of the American firm Coudert Frères in Paris, then in Paris and New York within the English firm Linklaters.

Specialised in private international law, she acquired extensive experience of international arbitration (ad hoc, UNCITRAL, ICC, LCIA, SCC, OHADA, ICSID) and cross-border disputes as both counsel and arbitrator. Her expertise covers such widely varied fields as energy and mining, the aeronautical industry, construction and engineering, distribution, satellites and telecommunications, as well as corporate law and project finance.

Since July 2018, Marianne is a member of the ICC International Court of Arbitration, representing Hungary. She is also a member of the French Arbitration Committee and listed as an arbitrator by the French National Committee of the ICC and by the Vienna International Arbitral Centre (VIAC). 

She is regularly sitting as arbitrator in international ad hoc and institutional arbitrations subject to a wide range of applicable laws, notably from African and Central and Eastern European countries. 

She teaches arbitration law at the Panthéon-Assas University (Paris II).

She advises an international clientele in French, English, Hungarian, Russian, and German.

Marianne Kecsmar is a member of the Paris Bar and the New York Bar. She is the holder of a DEA (Master’s degree) in private international law and international trade from the Panthéon-Sorbonne University (Paris I), as well as an LL.M in comparative jurisprudence from the NYU School of Law.

Contact details for Marianne Kecsmar:

+ 33 6 14 18 03 72

Bassam Mirza

Founding Partner

Bassam Mirza is an attorney at the Paris and the Beirut Bars. He has more than 15 years of experience in international arbitration and complex cross-border disputes. Bassam started his career in Paris where he practised international arbitration and litigation during 8 years within prestigious international law firms (magic circle law firm Linklaters LLP and French law firm Gide Loyrette Nouel). He then went back to his home country, Lebanon, where he headed the international arbitration practice group of a leading law firm operating in the Middle East. After that, he cofounded the international arbitration network, PKM Avocats, and is currently in charge of the network’s Beirut office.

Having practised in both Europe and the Middle East, Bassam acquired significant experience as both counsel and arbitrator covering various industries such as energy, mining, construction and engineering, telecommunications, distribution, corporate and project finance. He is regularly sitting as arbitrator (sole arbitrator, chairperson or co-arbitrator) in ad hoc and institutional arbitrations (including ICC) conducted in Arabic, English and French and subject to wide range of applicable laws notably from the Arab and African countries.

Bassam  is a lecturer in civil law at the Faculty of Law of Saint Joseph University of Beirut. He is a member of the French Arbitration Committee and is referenced as arbitrator on the ICC France list of arbitrators. The government of the Lebanese Republic designated him to serve on the Panel of Conciliators maintained by ICSID until 16 September 2022. He is also a member of the ICC Task Force on « Addressing Issues of Corruption in International Arbitration ».

He is recognized by « Who’s Who Legal Arbitration – Future Leaders »  as « emerging as one of Asia’s foremost arbitration experts » and as « an excellent adviser throughout the different steps of an international arbitration process ».

He holds a private law degree from Saint Joseph University of Beirut, a post-graduate degree in private international law from the University of Paris II Panthéon-Assas as well as a post-graduate degree in litigation, arbitration and ADR from the same university.

Contact details for Bassam Mirza:
+ 961 (71) 505 244

Corinne Nguyen


Corinne Nguyen is a French attorney based in Paris and has practiced international arbitration for more than 20 years. She has been a Deputy-Counsel at the ICC International Court of Arbitration, an attorney of a leading arbitration law firm in Paris and a Policy Manager of the ICC International Contracts and Marketing Commissions.  

Corinne serves as counsel and administrative secretary to the arbitral tribunals in ad hoc (UNCITRAL) and institutional arbitrations (ICC Arbitration Rules in particular) under various applicable laws and in different fields of activities such as commercial distribution, agency, consultancy, sales contracts and construction. 

She is admitted on the list of arbitrators of the Vietnam International Arbitration Center (VIAC) and the Arbitration Center of Madagascar (CAMM).

She is a lecturer (international contracts and arbitration) at the University of Paris-Nanterre la Défense and the University of Catholique de Lille. 

Corinne is a member of the Paris Bar and holds a PH.D in law (ICC arbitration and breach of international contracts of distribution) (University of Panthéon-Assas Paris II), an LL.M in comparative law (University of Birmingham) and a DEA in French law (University of Limoges).

She has contributed and written many articles and books on arbitration, the most recent of which is the Compendium of International Commercial Forms (Kluwer 2017).

She speaks French, English and Vietnamese.

Contact details for Corinne Nguyen: + 33 6 26 63 62 44 –

Rina Constantine


Rina Constantine is a member of the Beirut Bar. She holds a Master of Laws (LL.M.) from Harvard Law School and a Licence en droit libanais from the Saint Joseph University of Beirut.

Rina has 6 years of experience. Prior to joining the Beirut office of the international arbitration network, PKM Avocats, Rina has practised with prestigious law firm Bredin Prat in Paris where she was an associate at the international arbitration department and with a prestigious business law firm in Lebanon. 

She has experience in international arbitration (ad hoc, ICC, ICSID and BCCI) and cross-border disputes as both counsel and secretary of the tribunal. 

Rina represents States and companies and her expertise covers varied fields such as energy, aviation, construction and engineering and corporate law involving clients in Europe, the Middle East and Africa. 

She has taught comparative law at the Lebanese American University (LAU).

Rina is a member of the Board of the Harvard University Alumni Association of Lebanon.

She is also a consultant to the Lebanese Arbitration Center at the Beirut Chamber of Commerce

She advises an international clientele in French, English and Arabic.

Contact details for Rina Constantine: + 961 3637366 –