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Partner | LATHAM & WATKINS | London

Sophie Lamb KC is a partner in the London office of Latham & Watkins. Sophie is an internationally renowned leading counsel who provides strategic leadership and powerful advocacy on a range of multidisciplinary, reputational risk-management, and bet-the-company international arbitration matters.


Sophie  brings particular experience in international law and arbitration, and has acted in more than 100 cases often involving more than US$1 billion in assets. She advises clients from across a multitude of industries and markets conducted under all of the principal arbitration rules.


Sophie is increasingly engaged on sensitive and strategic mandates which engage the ESG agenda, covering such issues as directors’ duties, reporting risks, climate change and public interest litigation, global supply chain integrity, human rights-related exposure and OECD National Contact Point processes. She also counsels more generally on navigating the risks and opportunities arising from heightened focus on ESG, net zero ambitions and corporate purpose.


Sophie has previously served as Global Co-Chair of Latham’s International Arbitration Practice and was the UK’s representative on the ICC Court of Arbitration until 2022.



Vice-Chair International Arbitration Group | WilmerHale | London

Franz Schwarz is the Vice Chair of the International Arbitration Practice Group at Wilmer Cutler Pickering Hale and Dorr LLP, based in London. Franz has been involved in over 250 arbitrations, and has extensive experience with arbitral practice, procedure and advocacy both in civil and common law systems.  He has a particular focus on joint venture, M&A, financial services, project finance, IP, as well as commercial and corporate disputes.

Franz has been described by Chambers and GAR as “one of the best advocates in the world,” “a real leader in the field," and a “a superstar.”  The current editions of Chambers Global and Chambers Europe list Franz as one of the highest ranked civil-law practitioners in the world.  He has lectured on international arbitration at Harvard Law School, the London School of Economics, Vienna University Law School, Zurich University, the European Institute in Saarbrucken/Germany, the Vienna School of Economics, and Johns Hopkins in Bologna, and frequently speaks and publishes on topical issues of international arbitration.  He currently serves as Vice-President of the International Arbitral Centre in Vienna; as a Member of the Board of the Swiss Arbitration Association (ASA); and on the panel of conciliators at ICSID.

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Partner | Haavind | Oslo

Mikal Brøndmo, partner at Haavind, Oslo in Norway, where he specialises in arbitration and litigation, with a focus on complex and international disputes. Mikal Brøndmo also acts as arbitrator in international and domestic arbitrations, such as under rules of the Stockholm Chamber of Commerce (SCC), the Nordic Offshore & Maritime Arbitration Association (NOMA), the Court of Arbitration for Sport (CAS), the London Court of International Arbitration (LCIA) and in ad hoc arbitrations.


Arbitrator | Twenty Essex | London

Philippa Charles is a full-time arbitrator at Twenty Essex in London. She was formerly a solicitor-advocate, and was head of arbitration at Stewarts from 2013-2023. She has 25 years’ experience in practice in international arbitration, and was a law firm partner for 16 years. She practices mainly in commercial arbitration, focusing on energy, IT, joint venture and trade disputes. She is sitting on cases as sole, party-nominated, or presiding arbitrator, in arbitrations under the Rules of the ICC, LCIA, SCC, SIAC, DIAC, BVIIAC, AAA-ICDR, and FAI, and in ad hoc cases. She has also acted as an emergency arbitrator. She is a member of the Judicial Panel for the British Horseracing Authority, and has been appointed to the legal panel of Sport Resolutions for the 2024-2027 term. She is a member of the ICC Commission on Arbitration and ADR, and is a CEDR-qualified mediator.



Head of Product | Jus Mundi | Paris

Monica Crespo is the Head of Product at Jus Mundi, dedicated to leveraging technology to revolutionize legal work. Her journey into LegalTech began during her international arbitration practice in Panama, where she co-founded a non-profit organization to create the first centralized search engine for rulings. This initiative sparked her pursuit of improving access to legal information and developing products that address the legal industry's needs.


At Jus Mundi, an innovative and mission-driven startup, Monica plays drives the product's evolution. She ensures that cutting-edge technologies like Gen AI are harnessed to deliver value to users across various products. In close collaboration with the AI team, she is instrumental in developing the Jus AI Arbitration Assistant, focusing on maximizing efficiency gains for users.


Partner | Schellenberg Wittmer | Zurich

Anya George is a Partner in Schellenberg Wittmer's Dispute Resolution Group in Zurich. She represents clients in complex international commercial and investment arbitration matters, as well as in enforcement and setting-aside proceedings before the Swiss Supreme Court. Anya has special expertise in insurance and reinsurance, energy infrastructure, natural resources and commodities disputes, and advises clients in ESG matters. She is qualified as a Swiss attorney and a solicitor of England and Wales, and practices in English, French and German. Anya is recognised as a thought leader in arbitration and was listed in the latest edition of GAR's 45 under 45.



Co-Director, Associate Professor | TU Vienna | Vienna

Clemens Heitzinger is Co-Director of the Center for Artificial Intelligence and Machine Learning (CAIML) at TU Wien and Associate Professor in the Department of Computer Science (Informatics) at TU Wien.

Clemens Heitzinger received both his master's degree (Dipl.-Ing.) in applied mathematics and his PhD degree (Dr. techn.) in technical sciences with highest honors from TU Wien.  He was a visiting researcher in the Department of Mathematics and Statistics at Arizona State University, a research associate in the School of Electrical and Computer Engineering at Purdue University, and a senior research associate in the Department of Applied Mathematics and Theoretical Physics (DAMTP) at Cambridge University.  In 2015, he returned to TU Wien as an associate professor.  He is also Adjunct Professor in the School of Mathematical and Statistical Sciences at Arizona State University.  He was awarded the START Prize, Austria's most prestigious award for young scientists, by the Austrian Science Fund (FWF) in 2013.  He is author of "Algorithms with Julia" (Springer, 2022).

His research interests are reinforcement learning and uncertainty quantification (in particular Bayesian inversion) with applications in the sciences, medicine, and engineering.


Legal Counsel | Permanent Court of Arbitration | Vienna

Iris Koberg is Legal Counsel at the Permanent Court of Arbitration (PCA), where she administers arbitrations involving states and state entities under the UNCITRAL Arbitration Rules and the PCA's own rules. In this capacity, she also advises the Secretary-General of the PCA in the discharge of his duties under these rules. She has extensive experience in arbitration and international law and practised as an arbitration lawyer in an Austrian boutique law firm before joining the PCA.

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Professor | University of Vienna | Vienna

Christian Koller is Professor at the University of Vienna; former professor at the University of Innsbruck; held a position as a Post-Doctoral Researcher and Erwin-Schrödinger-Fellow at the University of Zurich from 2009 to 2011; specializes in international commercial arbitration and litigation; main areas of interest include domestic and international civil procedure and its interfaces with private law, international insolvency law, conflict of laws and comparative law.


Professor | University of Paris-Est Créteil | Paris

Kamalia Mehtiyeva is a Professor of Law at the University of Paris-Est Créteil (France). Her teaching and research fields focus on international arbitration law, civil procedure, mutual legal assistance in both civil and criminal matters, international sanctions, as well as international enforcement.

She publishes regularly on various issues of international arbitration, international private and public, as well as on procedural law.


She is admitted to the Paris bar. Prior to becoming a Professor of law, she practiced in the Public International Law and Arbitration Group of Shearman & Sterling in Paris (2007-2014). She is the co-founder of the law firm Barbier Mehtiyeva Law, which focuses on international arbitration and international litigation. Kamalia also regularly acts as arbitrator and can conduct proceedings in French, English, Russian, Turkish and Azerbaijani. 


Prof. Mehtiyeva is also a member of the ad hoc Scientific and Advisory Council of the Supreme Court of the Republic of Azerbaijan. 


She is also President of the Azerbaijan Arbitration Association and co-President of the Turkic Arbitration Association. 

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Professor | University of Geneva | Geneva

Makane Moïse Mbengue is Professor of International Law at the Faculty of Law of the University of Geneva and Director of the Department of International Law and International Organisation. He is also an affiliate professor at Sciences Po Paris (School of Law). He is a Member of the Curatorium of The Hague Academy of International Law and an Associate Member of the Institut de droit international. Since 2017, he has been the President of the African Society of International Law (AfSIL). Makane Mbengue acts as counsel in disputes before international courts and tribunals (in particular, before the International Court of Justice (ICJ) and the International Tribunal for the Law of the Sea (ITLOS), arbitrator (in investment cases) and as advisor for governments across the world. He has been and is involved in the negotiations of several international investment agreements in Africa. He has also advised many governments with respect to investment negotiations and to the elaboration and/or reform of their BIT models. He is the author of several publications in the field of international investment and international law.


Partner | Zamfirescu Racoți Vasile & Partners | Bucharest

Violeta Saranciuc is partner in the Dispute Resolution group of Zamfirescu Racoți Vasile & Partners in Bucharest (Romania), where she specialises in international arbitration and international disputes.

She has extensive experience representing clients in arbitrations under various rules, including ICSID, ICC, VIAC, UNCITRAL and Romanian CICACCIR rules. Her work includes disputes related to construction and infrastructure projects, M&A and privatisation agreements, energy disputes, international sales and general contractual matters and investment protection matters. She also represents clients in arbitration-related court proceedings and is experienced in complex commercial and competition litigations.

Violeta is recognised by GAR’s Who’s Who Legal as a Future Leader in Arbitration and ranked by Legal 500 as Rising Star in Dispute Resolution.

She is co-founder and co-chair of YRAP – Young Romanian Arbitration Practitioners, a VIAC Ambassador for Romania and a member of the Rising Arbitrators Initiative’s Executive Committee.

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Partner | Ashurst | Frankfurt

Dr. Judith Sawang is a partner in Ashurst's dispute resolution practice in Frankfurt with a particular focus on international arbitration and (cross-border) commercial litigation.
Judith has conducted arbitration proceedings as counsel and arbitrator (co-arbitrator, presiding arbitrator, sole arbitrator) under the auspices of various institutions (ICC, SCC, DIS, LCIA) and in ad-hoc arbitrations.
The focus of her practice is on corporate and commercial law including post M&A, distribution, construction and finance. She also advises clients on international recognition and enforcement.
Judith has been ranked by Chambers Europe and has been repeatedly recognized by Who's Who Legal, Juve, Best Lawyers and TOP Lawyer. She is a member of the Advisory Board of the German Arbitration Institute (DIS) and of the firm's Global ESG Steering Committee.


Partner | ZEILER | Vienna

Before joining the firm as a partner in 2022, Friederike Schäfer worked several years in private practice and as Counsel in the Secretariat of the ICC International Court of Arbitration. In this position, she handled hundreds of ICC proceedings and scrutinized hundreds of awards.


Friederike also has experience with various other arbitration rules, such as VIAC, UNCITRAL and DIS. She advises clients at all stages of a dispute and is active as arbitrator and party representative.


Since joining our firm, Friederike has focused on various aspects of the energy sector and financing matters as well as on commercial and corporate matters.

Friederike regularly lectures on international arbitration at international and national conferences.

She has authored numerous publications on international arbitration, private international law and other areas of law and is co-editor of a handbook on arbitration in Austria, Germany and Switzerland.


Friederike heads the German Desk of our firm and is admitted to the bar in Austria and Germany.

She works in English and German and speaks French fluently.

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Partner |  Pels Rijecken | The Hague

Martijn Scheltema is partner at Pels Rijcken since 2005 and member of the Dutch Supreme Court Bar since 1997. He has been involved in Supreme Court corporate, enforcement, procedural issues, (international) arbitration setting aside proceedings. He has been counsel in several international landmark Human Rights cases with the Dutch Supreme Court (e.g. Urgenda). He is also involved in (international arbitration) and is a member of the working group which delivered the Hague Rules for Business Human Rights Arbitration. He chairs the business and human rights practice group of his firm.


Martijn Scheltema is professor of private law at Erasmus University Rotterdam (The Netherlands) since 2011. He is co-chair of the Law & Sustainable Business research group of his faculty ( He publishes regularly on business human rights related issues, also in connection with arbitration.


Managing Director | Secretariat | Houston

Based in Houston, TX, U.S., Mr. Smajlovic brings over 24 years of experience and specializes in international commercial and investment treaty arbitration. He has significant experience in damages quantum and other financial, economic, forensic, and accounting-related analyses in the context of disputes, valuations, audits, and M&A transactions.  


He holds technical expertise in several valuation approaches and methodologies. His experience spans a wide variety of industries and asset types including financial services, telecommunications, real estate development, oil and gas, renewables/nuclear/conventional power, chemical and refinery plants, mining, and various LBO-type investments.


He has led engagements and provided testimony in international arbitration matters held under the auspices of various arbitral forums including ICSID, ICDR, LCIA, SCC, ICC, PCA, AAA, and SIAC, among others.

Mr. Smajlovic is fluent in English as well as four Balkan languages (Bos/Cro/Ser/Mont), and holds a working proficiency in Ukrainian, Bulgarian, Russian, and Macedonian.


His excellence is acknowledged by Who’s Who Legal, which recognized him from 2023 as a Global Leader.



Legal Officer |  UNCITRAL | Vienna

Mr. Takashi Takashima is Legal Officer at the International Trade Law Division (ITLD) of the United Nations Office of Legal Affairs, which functions as the substantive secretariat of the United Nations Commission on International Trade Law (UNCITRAL). He manages UNCITRAL’s project on the stocktaking of dispute resolution in the digital economy (DRDE) and assists in the servicing of UNCITRAL Working Group II on dispute settlement.

From April 2018 to September 2022, he was Senior Attorney with the Japanese Ministry of Justice. He started his career as Judge of the Tokyo District Court in 2003 and has experience serving as Judge of various courts in Japan for 12 years. From 2009 to 2011, he was second secretary of the Permanent Mission of Japan to the United Nations.


Group Lead International Legal | STRABAG | Vienna

Martin is an Austrian and New York qualified lawyer. In STRABAG’s legal department he is in charge of international dispute resolution and guarantees in international projects. He gained extensive experience in dispute resolution, including state court litigation in various jurisdictions, commercial as investment arbitration and mediation. Additionally, he is specialized in all kinds of guarantee instruments in construction projects, such as bank guarantees and parent company guarantees. Martin holds lectures on international law and securities.

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Barrister |  4 New Square Chambers | London

Jonathan is a leading international junior whose practice encompasses all aspects of commercial litigation, group actions, international arbitration, public international law and public law & human rights. He is described by the legal directories as a “highly sought after practitioner” with “ a quick , sharp intelligence” and is praised by clients for “always thinking two steps ahead”.

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