Explore more ARBinBRIEF videos here



Ana Gerdau de Borja Mercereau is a senior associate at Derains & Gharavi (Paris) with over 12 years’ experience in international and domestic arbitration. She has acted as counsel and secretary to arbitral tribunals in commercial and investor-State arbitrations under the ICSID, the ICC, the LCIA-MIAC, and the ICDR/AAA rules, and under Brazilian institutions’ rules (CAM-CCBC, CCMA CIESP/FIESP, CAMARB, Câmara FGV, CAM-BM&FBOVESPA, AMCHAM-Brazil and CMA from São Paulo’s Instituto de Engenharia). Her cases have included commercial transactions, joint ventures, large infrastructure projects (in construction, renewable energy, oil & gas and transportation), M&A deals, and projects in real estate and for mining research and exploration. She is a member of the ICC Commission on International Arbitration and ADR, upon nomination of the Brazilian Committee, and of its Task Force entitled “Corruption in International Arbitration.” Ana is one of the founders of the Rising Arbitrators Initiative and co-chair of its Executive Committee, a CIArb European Branch YMG Representative, a member of CIArb YMG Global Steering Committee and of Delos’ Long View Steering Committee.  She was the recipient of one of the 14 “Women in Law Award, Latin America” for Brazil in 2014. Ana holds a Ph.D. and an LL.M. (International Law) from the University of Cambridge and speaks French, English, Portuguese (native language) and Spanish. She is admitted to the Bars of Brazil (São Paulo) and Portugal (Porto) and is registered with the Paris Bar

Sara Koleilat-Aranjo, her practice focuses on arbitration and complex litigation. Sara regularly advises and represents clients in international and domestic arbitration proceedings, both ad hoc and institutional (ICC, DIAC, DIFC-LCIA, GCC Centre for Commercial Arbitration, LCIA, ICSID, UNCITRAL) as well as complex commercial litigation, particularly in cases with cross-border facets. Sara has developed an expertise in corporate and commercial law, banking and financial law, property and construction law and energy, including oil and gas. Sara also advises clients on several procedural issues such as the recognition and enforcement of foreign judgments and arbitral awards in the UAE and the revision and annulment proceedings of awards. Sara has been involved in proceedings in Bahrain, Egypt, Iraq, Lebanon, Oman, Tunisia and Saudi Arabia in addition to the United States, the United Kingdom and France. Sara is well versed in both the civil and common law legal traditions having practiced law at top tier law firms in London, Paris and Beirut prior to joining Al Tamimi & Company. Sara sits on the Board of Directors of ArbitralWomen and the Paris MENA Legal Club. She is a member of several professional organizations, including the International Bar Association, the American Bar Association, the ICC Arab Group and the French Arbitration Committee (CFA). In addition to her practice of law, Sara regularly publishes and delivers talks on dispute resolution. She has held several teaching and editorial appointments, such as Editor of the Harvard Business Law Review and Lecturer in Law at the Sorbonne Law School in Paris and the Paris Sorbonne University in Abu Dhabi. Sara is currently a certified legal trainer with the Legal Affairs Department of the Government of Dubai.

Roopa Mathews joined LALIVE in 2021. Her main areas of practice are commercial and investment arbitration. She has acted as counsel and tribunal secretary in several international arbitration proceedings under the ICC, ICSID, LCIA and FAI Rules. She has represented clients in complex disputes in various sectors, including the aerospace, chemical manufacturing, construction, and energy sectors. Before joining LALIVE, Roopa Mathews was an associate with Freshfields Bruckhaus Deringer’s international arbitration team in Frankfurt (2018-2021) and a trainee solicitor in the London and Washington DC offices (2016-2018). She is a lecturer in English law at Goethe University in Frankfurt, Germany. She is a member of several arbitration associations, including the German Arbitration Institute (DIS and DIS-40) and the Swiss Arbitration Association (ASA and ASA below 40). Roopa Mathews holds an LL.B. from the University of Bristol and an LL.M. in Public International Law from the London School of Economics. She is qualified as a Solicitor-Advocate.

Oluwaseun Philip-Idiok is a senior associate in the dispute resolution practice group of the firm. She has over nine years advocacy experience, representing clients in employment, intellectual property, contracts, competition and trusts, debt recovery, insolvency and business restructuring litigation. A  graduate of the University of Hertfordshire, she is particularly active in LCIA, UNCITRAL and ICC international arbitration disputes, covering the construction, retail, manufacturing, energy, oil and gas industries. In 2016, she was appointed a director of the Lagos Court of Arbitration-Young Arbitrators Network (LCA-YAN) for a term of two years and in 2018, was appointed a co-chair of the association. She regularly writes and speaks on international arbitration and advocacy.

May Tai specialises in cross-border disputes and contentious regulatory matters. She regularly advises governments, government-owned entities and commercial clients (including financial institutions and energy companies) in Asia, Europe and the United States, including acting as counsel and advocate in arbitrations under various rules and court proceedings.  She has acted as arbitrator in SIAC and HKIAC proceedings, and has also sat as an Emergency Arbitrator under the ICC Rules. May is based in Hong Kong but also spends time in Herbert Smith Freehills’ Shanghai and Beijing offices, and has also practised in London, Singapore and Tokyo. She has published several articles on arbitration and dispute resolution, and speaks Bahasa (Malaysian and Indonesian), Chinese (Mandarin and Cantonese) and English, and is qualified as a solicitor of England and Wales and Hong Kong. May is a CEDR accredited mediator and an arbitrator in the HKIAC List of Arbitrators.

©2024 Delos Dispute Resolution


Please send us an email and we will get back to you shortly.


Log in with your credentials


Forgot your details?

Create Account