José María Alonso Puig of Alonso & Díez-Hochleitner, Abogados, SLP is a standout arbitrator in the Spanish market, with extensive experience appearing before a range of Spanish and international tribunals, including the ICC, ICSID, and LCIA, as chair, sole arbitrator, and co-arbitrator. Able to conduct proceedings in both English and Spanish across key European jurisdictions, he is particularly adept in contractual disputes, corporate conflicts, and matters arising from financial transactions, insurance, and insolvency issues.

A powerhouse in the international arbitration space, David Arias of Arias SLP is a market reference for his wealth of experience acting as chair, sole arbitrator, and co-arbitrator in high-profile proceedings. He is particularly active in cases involving contractual disputes, construction projects, commercial and corporate agreements, family conflicts, and transactional matters. Well versed in handling cases in both English and Spanish, Arias regularly arbitrates across European, Latin American, African, and Asian jurisdictions before a broad range of tribunals, including the ICC, ICSID, and LCIA.

Specialising in international commercial and investment treaty arbitration, Hierro Estudio Legal, SLP’s Antonio Hierro has considerable experience acting as chair, sole arbitrator, and co-arbitrator before a variety of tribunals, such as the ICSID, ICC, and CAM, and regularly arbitrates across European, Latin American, and North American jurisdictions. He is particularly noted for his ability to arbitrate in English, Spanish, and French, with a focus on domestic and cross-border disputes arising from contractual breaches, construction projects, concessions, damages claims, and commercial agreements.

A ‘competent arbitrator with a very international profile’, González-Bueno SLP’s Carlos González-Bueno is a key point of contact for disputes arising from construction projects, M&A transactions, and sponsorship agreements. He is particularly adept at handling arbitrations across the insurance, energy, IP, and hospitality sectors. With considerable experience acting before various tribunals, both domestically and internationally, including the ICC, ICDR, and CIAM-CIAR, González-Bueno is adept at arbitrating in Spanish, English, and Portuguese.

Specialising in international arbitration related to EPC contracts and SPAs, J Almoguera Abogados‘ Jesús Almoguera has extensive experience arbitrating before domestic and foreign tribunals, including but not limited to the ICC, CAM, and CIMA. He is a point of reference for hedge funds, international banks, and blue-chip companies in disputes involving corporate, insolvency, and financial issues. Praised by peers and clients alike for his ‘professionalism and knowledge’, Almoguera also stands out for his regular participation in high-profile proceedings where he acts as chairman, arbitrator, and tribunal member.

María José Menéndez, independent practice head of Menéndez Arias Arbitration, specialises in commercial arbitration concerning agreements, post-M&A matters, and contractual conflicts, as well as share transfer issues. She has considerable experience working on domestic and cross-border proceedings before various tribunals, including the ICC, CIAM, and CAM. Menéndez, praised by peers and clients for being ‘highly professional, committed, and rigorous’, regularly acts as chair, sole arbitrator, and tribunal member in proceedings involving the telecoms, energy, and defence sectors.

Victor Bonnin of VBArbitration is involved in numerous domestic and international arbitration proceedings, with particular expertise in energy-related matters, including renewables and oil and gas. He brings extensive experience in cross-border disputes, most commonly in Spain, Latin America, and the UK, relating to construction projects, investments, and logistics and distribution. Bonnin regularly appears before a wide range of tribunals, including the ICC, CAS, and HKIAC, and is well equipped to act as chair, sole arbitrator, or co-arbitrator in Spanish, English, and Portuguese.

Miguel Virgós of Virgós Arbitration is a leading figure in the Spanish and international arbitration arena, regularly acting as chair, arbitrator, and tribunal member in domestic and cross-border proceedings involving investments, commercial and corporate agreements, construction projects, as well as insurance and unfair competition disputes. He has extensive experience appearing before a range of tribunals, including the ICSID, ICC, and CIAM-CIAR, and frequently handles cases across European, Latin American, and North American jurisdictions.

Moscardó Abogados, S.L.P. is home to the ‘excellent’ and ‘experienced’ Miguel Moscardó, a specialist in contractual disputes arising from the energy, construction, and engineering sectors, as well as hospitality and IP. He is well-versed in acting as both chair and arbitrator before various tribunals, including the ICC and CIAM-CIAR. Moscardó is also capable of handling proceedings in Spanish and English, and he has been involved in proceedings occurring in Peru, France, the US, and the UK.

Ernesto Benito Sancho, founding partner of RRBS Legal, ROMERO REY & BENITO SANCHO ABOGADOS, stands out for his aptitude at handling high-profile arbitration proceedings. He regularly acts as sole arbitrator, co-arbitrator, and tribunal member in cases concerning commercial contracts and corporate agreements, with a particular focus on the infrastructure, construction, and automotive sectors. Sancho is well-versed in acting before domestic tribunals, including CIAM-CIAR and CIMA, and he brings experience from working in public administration as a state lawyer.

With more than a decade of experience in international arbitration, Oliver Cojo of Arias SLP has acted as arbitrator, counsel, and tribunal assistant in numerous proceedings administered by leading institutions, including the ICC, ICSID, PCA, LCIA, and SCC. His practice focuses on commercial disputes, with particular strength in construction, infrastructure, and energy matters, as well as disputes arising from corporate transactions.