Ana Gerdau de Borja
For over 16 years, Dr Ana Gerdau de Borja, FCIArb has worked on international and domestic arbitration cases and has acted in proceedings related to arbitration such as annulment and recognition and enforcement proceedings before State courts. Having founded Citadelle Disputes in February 2025, Ana now acts as counsel, expert and arbitrator on complex, cross-border disputes.
As counsel, she mostly represented clients from Portuguese and Spanish speaking jurisdictions, especially Brazil, Spain and Colombia. She has been particularly active in the sectors of retail distribution, industrials, construction and engineering, energy (renewables and oil & gas), transportation, real estate, mining and shipping.
Moreover, she has acted as co-arbitrator and as sole arbitrator under the ICC Rules, the Swiss Rules and CAIP Rules dealing with construction, shipping and commodities disputes.
Ana has dealt with a myriad of applicable laws in the civil law and common law systems, including Brazilian law, Spanish law, Mexican law, Chilean law, Colombian law, Portuguese law, French law, English law, Swiss law, Italian law, Algerian law, Qatari law, New York law and international law. Her cases were conducted in Portuguese, Spanish, French and English under the ICSID, the ICC, the LCIA-MIAC, the ICDR/AAA rules,the Swiss Rules, and the CAIP 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).
She co-leads Track 5 of the Task Force dealing with corruption in international arbitration as a member of the ICC Commission on International Arbitration and ADR. She is also a member of the prestigious think tank ICC Institute of World Business Law.
Ana is one of the founders of the Rising Arbitrators Initiative and of the Lusophones’ Arbitration Club, a former deputy chair of CIArb’s YMG Global Steering Committee and a former CIArb European Branch YMG Representative.
She has been appointed to the panels of arbitrators of Amcham São Paulo, ARBITAC, Câmara do Mercado (CAM B3), CAMARB, CAM-CCBC and CBMA (Brazil), of the Arbitration Centre of the Lima Chamber of Commerce and of the Centre of Arbitration Amcham Perú (Peru), of the Arbitration Centre of the Portuguese Chamber of Commerce and Industry (Portugal) and of CAIP (France).
Ana holds a Ph.D. and an LL.M. from the University of Cambridge and is admitted to the Bars of Brazil (São Paulo) and Portugal (Porto) and is registered with the Paris Bar (Directive 98/5/EC).
She is a dual national of Brazil and Germany. She works in English, French, Portuguese and Spanish.
