Discussion Leaders

Anneliese Day KC is a leading commercial barrister at Fountain Court Chambers, renowned for her exceptional advocacy and strategic insight. Since taking silk in 2012, she has handled high-profile cases across the UK, Asia Pacific, the Middle East, Europe, and the Caribbean, excelling in areas such as professional negligence, construction, energy, insurance, and international arbitration. Recognised as a “Star at the Bar” by Chambers & Partners and named Silk of the Year at The Legal 500 UK Bar Awards 2022, she is celebrated for her meticulous preparation and compelling courtroom presence.

Ina C. Popova is a partner in Debevoise & Plimpton’s International Dispute Resolution Group whose practice focuses on international arbitration, international litigation and public international law.  Ms. Popova is admitted to practice in Paris and in New York and leads matters in French, Spanish and English.  She sits as arbitrator and serves as counsel in a broad range of international matters and has particular experience in the energy, mining, and technology, media and telecommunications sectors.  Ms. Popova also holds a variety of leadership positions, including as a delegate to the ICC Commission on Arbitration and ADR and a former Member of the ICC International Court of Arbitration.

Dr Philipp Habegger has acted in more than 240 commercial arbitrations under all major arbitration rules and in which more than twenty different (civil and common) laws applied on the merits. The disputes related to joint ventures, M&A, sales, distribution, licensing, construction and engineering and to a wide range of industries (telecommunications, automotive, aviation, railways, pharma, chemical, food, defence, machinery, energy). Philipp is a past president of the Court of the Swiss Arbitration Centre, a former member of the ICC Court, a former vice chair of the IBA Arbitration Committee and vice president of the LCIA European Users' Council.

John Fellas is a full-time arbitrator at Fellas Arbitration, adjunct professor of law at New York University School of Law, and honorary professor at Durham Law School. With over three decades of experience in international dispute resolution, he is recognized as a leading international arbitrator by all the major legal directories, including Chambers and Who’s Who Legal where is a ranked as a Global Elite Thought Leader.  He is a Vice President of the LCIA Court.  In 2025, he was awarded the annual Global Arbitration Review Award for Best Prepared/Most Responsive Arbitrator.

Nadia Darwazeh is a Partner and Head of Arbitration of Clyde & Co's Paris office. She has extensive experience acting as counsel in commercial and investor-state arbitrations. She also regularly sits as arbitrator. Before joining Clyde & Co, Nadia practiced for two decades in the International Arbitration Groups of leading international law firms, based in Paris, Shanghai, Frankfurt and London. She also spent three years at the ICC where she led as Counsel the Europe, Middle East and Africa team overseeing more than 400 arbitrations.

Nadia is dual-qualified in England & Wales (Solicitor-Advocate) and Germany (Rechtsanwältin). She conducts arbitrations in French, German and English and speaks Dutch and Mandarin Chinese. Clients have described Nadia as “a superstar” (Who’s Who Legal), “innovative, pragmatic and a true leader”, “a real strategist” and “a very strong cross-examiner” (Chambers & Partners) and she was also awarded the prestigious ASA Prize for Advocacy in International Commercial Arbitration in 2022.

Dorothee Ruckteschler is an independent arbitrator focusing on corporate law and post-M&A disputes, as well as complex commercial disputes. Prior to setting up her own arbitrator’s practice, she had for 20 years a leading role in the international arbitration practice of CMS. Dorothee has vast experience in all types of international arbitration involving parties from all over the world and a wide range of arbitration institutions. She has a deep intercultural understanding, developed not least during her extensive travels in China and through her position as Vice Chair of the Dispute Resolution Committee of the IPBA. From 2018 to 2024, she was the Alternate German Member of the ICC Court of Arbitration since 2018. 

Dorothee studied French at the University of Grenoble, France, and is a graduate of the University of Freiburg (Dr jur 1987). She also was a Research Fellow at Harvard Law School.

Stefan Rützel is a partner and Head of Dispute Resolution at Gleiss Lutz with a focus on international arbitration and litigation. Stefan has almost 30 years of experience sitting as an arbitrator and serving as counsel in a wide range of matters and industries, with a special focus on M&A, joint ventures, corporate, and complex commercial and financial contracts. Stefan received his education at Johann Wolfgang Goethe University Frankfurt (Dr iur, 1995) and the University of Georgia School  of Law (LL.M, 1994). He is recognized in all major legal directories as a leading arbitration and litigation practitioner and is lauded for his technical expertise and his strategic thinking.

Nathalie Allen is a highly regarded international arbitration expert at Addleshaw Goddard, specialising in both commercial arbitration and investor–state disputes. She represents clients before major arbitral institutions, such as the ICC, LCIA, SCC, ICSID, and AAA, and under frameworks including UNCITRAL, ICSID, and foreign investment laws across diverse jurisdictions. She regularly appears before tribunals on procedural matters and merits (such as interim measures, jurisdiction challenges, and annulment proceedings), while also advising on strategic dispute-prevention and resolution in sectors including finance, telecommunications, manufacturing, construction, energy, gaming, and insurance. Praised as “extremely impressive,” “very bright,” and “diligent,” Nathalie has earned recognition as a Future Leader in International Arbitration from Who’s Who Legal and Global Arbitration Review. She’s also been named a Rising Star in Legal 500, featured in the Legal 500 International Arbitration Powerlist, and won Euromoney’s Women in Law Rising Star for Litigation. She is bilingual in French and English (native level), fluent in Spanish, and has high-level proficiency in Italian. Prior to joining Addleshaw Goddard in 2020, she worked at another leading international law firm in London.