Borja Pérez-Puente

Borja is an associate based in the Madrid office. He has experience acting in international commercial arbitrations under several governing laws and institutional rules in disputes relating to the aerospace, railway, TMT, construction and energy sectors.

Borja’s recent experience includes:

  • Representing a global aerospace group in over fifteen ICC arbitrations and judicial disputes further to the group’s termination of its relationship with local business partners amidst criminal investigations conducted by the UK SFO, the French PNF, the US DoJ and the US DoS
  • Representing several members of the Al-Shoula Consortium awarded with Phase 2 of the Mecca-Medina Haramain High Speed Railway Project in four arbitrations relating to design services, distribution of scopes of works and third-party consultancy services
  • Representing a Spanish group against a Canadian investor in an ICC arbitration arising from the construction and later shutdown of a EUR 1.7 billion underground gas storage facility
  • Representing a Dutch group against a US investment fund in a post-M&A ICC arbitration stemming from potential accounting inaccuracies and breaches of representations and warranties
  • Representing a Spanish energy company against a Portuguese energy group in an ICC arbitration over the construction of a PV plant and a subsequent price review of four PV PPAs
  • Representing an English energy fund against a Singapore-based LNG and gas trader in an ICC arbitration relating to a price review and ensuing termination of a gas supply agreement

Borja has been recognised as a key practitioner in major publications such as The Legal 500 Spain, with sources describing him as an “outstanding professional” who “inspire[s] trust“, is “close to the client at all times”, is “impressively efficient and detail-oriented“, “quickly learns all the technical details of both your business and the case and then […] is able to explain them in plain language with an amazing ease“, and has an “exceptional knowledge” about the matters in which he participates.

Borja holds a double licentiate degree in law and business management from the Universidad Pontificia de Comillas (ICADE), and he is admitted to the Madrid Bar and to the Madrid College of Economists. He has experience handling contentious work in English, Spanish and French and he also has a limited proficiency in Portuguese.

Borja is a co-founder and member of the steering committee of the Comillas Alumni International Arbitration Club. At his former firm, he was in the Innovation and Best Delivery steering group for the Continental Europe dispute resolution practice, in the AI in Dispute Resolution working group, and in the coordination of a monthly training for the global arbitration practice’s associates. He writes and gives conferences on arbitration-related topics on a regular basis.

Laura Anaya

Laura is an associate in our Madrid office. She specialises in investment and commercial arbitration under a variety of arbitration rules in a range of sectors, including energy and natural resources, construction, and mining. Laura has been involved in proceedings under various institutional rules, including the ICC, UNCITRAL, and ICSID rules.

Laura’s recent experience includes:

  • Representing the Republic of Chile in its ICSID arbitration with a Colombian construction and power distribution company under the Chile-Colombia Free Trade Agreement.
  • Representing Sacyr in its UNCITRAL investment arbitration against the Republic of Panama arising from the expansion of the Panama Canal.
  • Representing investors from the United Kingdom and Luxembourg in a resubmitted ICSID investment arbitration stemming from a series of energy reforms affecting the renewables sector.
  • Advising a Spanish company on the viability of a potential investment arbitration claim linked to a concession contract for energy generation in a Latin American country.

Laura holds an LLM from King’s College London, where she graduated with Distinction, having earned academic scholarships by the University and the British Council in Colombia. She graduated from Universidad Externado de Colombia with an LLB, where she was ranked first in her cohort and was awarded two academic scholarships. Whilst there, she won an international competition in procedural law, for which she was granted a scholarship for postgraduate studies in tort law and contractual liability. She also won oralist awards when participating in an international arbitration moot competition.

Laura is dual-qualified in civil law and common law, being a Solicitor of the Senior Courts of England & Wales and admitted to practice in Colombia.

Luis Tamborini

Luis is an associate based in the Madrid office.  He has experience in a variety of international commercial arbitrations under several institutional rules in industries including construction, energy, pharmaceutical and banking.  He also has experience advising private parties on matters of public international law.

Luis’ recent experience includes:

  • Representing an Asian company in the renewable energy industry in disputes over EPC contracts for the construction of five wind farms in a Latin American country
  • Representing a company of the oil and gas industry in two arbitrations against a gas liquefaction company, under the LCIA arbitration rules
  • Representing a company of the oil and gas industry in a dispute with a gas licensee in Latin America related to gas processing, in an arbitration under ICC arbitration rules
  • Representing a multinational construction and engineering company in a dispute over an EPC contract for the construction of a biodiesel production plant in Latin America, in an arbitration governed by ICC arbitration rules
  • Representing a company in the IT industry in a dispute against a Brazilian client of the banking industry, in an arbitration under the ICC arbitration rules
  • Representing a company in the paper industry in a dispute against a Latin American State, in an arbitration under the ICC arbitration rules
  • Representing a foreign capital company in a claim regarding the acquisition of a fishing company, in an arbitration governed under the ICC arbitration rules
  • Representing a company in a dispute with an international company in the audit field of pharmaceutical industry in relation to a contract for the sale of shares and non-compete obligations, in an arbitration governed by ICC arbitration rules

Luis holds an LL.M. from Columbia Law School, where he graduated as a James Kent Scholar, awarded in recognition of outstanding academic achievement.  He also holds a J.D. from the University of Buenos Aires School of Law, where he was awarded a distinction as an outstanding student for his performance in international moot court competitions.  Luis continued coaching university teams in moot court competitions.

Luis speaks English, Spanish and Portuguese, and is admitted to practice in the City of Buenos Aires.

 

Macarena Bahamonde Villafuerte

Macarena is an associate in the Madrid office. She specialises in commercial and investment arbitration under a variety of arbitration rules in a range of sectors including energy and natural resources, pharmaceuticals, and construction.

Macarena’s recent experience includes:

  • Representing Sacyr in its UNCITRAL investment arbitration against the Republic of Panama arising from the Expansion of the Panama Canal
  • Representing the Republic of Chile in its investment arbitration with a Colombian construction and power distribution company under the Chile-Colombia Free Trade Agreement
  • Representing Ecuador in an investment arbitration under UNCITRAL rules against two oil companies under the BIT between the United States and Ecuador, derived from a claim for denial of justice
  • Representing Ecuador in an arbitration under UNCITRAL rules against a pharmaceutical company under the BIT between the United States and Ecuador, derived from a claim for denial of justice
  • Representing Ecuador in a dispute against a Peruvian national regarding claims for non-observance of the BIT between Ecuador and Peru
  • Representing Ecuador in a dispute against a Chinese company under the Ecuador-China BIT

Prior to joining Three Crowns, Macarena was a lawyer in the International Arbitration Directorate of the Attorney General’s Office of the State of Ecuador, where she represented the Ecuadorian State in various international arbitrations and annulment and enforcement proceedings in foreign jurisdictions.

Macarena is admitted to practice in Ecuador and the State of New York. She completed her Master of Laws at Harvard Law School, where she was a Fulbright Scholar and Gammon Fellow. Macarena also obtained a Master of Laws and Postgraduate Diploma in Laws from the University of London School of Law in a joint programme with University College London and Queen Mary University of London. She graduated first in her class at University of San Francisco of Quito.

Macarena is a co-founder of Ecuadorian Very Young Arbitration Practitioners (ECUVYAP) and she coaches the arbitration moot team of University of San Francisco of Quito. Macarena was elected as the Ecuadorian Arbitration Institute Young Members’ Representative and is an Arbitrator Intelligence Ambassador for Latin America. She speaks Spanish, English, and French.

Laura França Pereira

Laura, an associate in the Madrid office, specialises in international commercial and investor-State arbitration. She has experience acting in complex and high-value disputes across a range of sectors, including banking and finance, energy, oil and gas, infrastructure, and retail. Laura has acted in proceedings under a number of arbitration rules, including ICC, ICSID, UNCITRAL, and AAA-ICDR.

Her recent experience includes:

  • Representing the Republic of Chile in its investment arbitration with a Colombian construction and power distribution company under the Chile-Colombia Free Trade Agreement
  • Representing a leading US private equity firm in two parallel ICC arbitrations involving claims of fraud and breach of warranty arising from a share purchase agreement for the acquisition of a Latin American company
  • Representing a major European construction company in its investment treaty arbitration with a Latin American State arising from a “megaproject” to expand a strategic maritime infrastructure installation
  • Representing an Asia-based investment manager in an AAA arbitration against an US-based asset manager relating to a seed investment
  • Representing a European bank in an ICC arbitration involving post-acquisition claims relating to a Spanish credit card business
  • Representing a mining and petrochemical company in its investment treaty arbitration against a Latin American State
  • Representing Naturgy in its billion-dollar investment treaty claim against Colombia relating to the regulatory framework for the supply of electricity
  • Representing a consortium of oil & gas companies in an arbitration against a Latin American State, and in the ensuing settlement negotiations and agreement, arising out of tax liabilities imposed on the consortium in breach of legal and tax stability clauses included in the relevant investment agreements

Laura also maintains an active pro bono practice focused on the defence of human rights. She is representing the owners of a media group against a Latin American State in a claim filed before the Inter-American Commission on Human Rights arising from alleged violations of the American Convention on Human Rights in relation to, inter alia, freedom of expression and the right to property. She also worked with REDRESS on a pro bono project promoting balanced gender representation in UN human rights organs and mechanisms.

Laura holds an LLM from Harvard Law School and an LLB from University of São Paulo, where she graduated first in her class. She studied at Sciences Po Paris, as part of her Bachelor’s degree program, where she graduated summa cum laude.

Laura has also held roles in several organisations, including co-chair of the CPR International Mediation Competition, events commissioner at the Harvard International Arbitration Law Students Association, and president of the Brazilian Association of Arbitration Students. She also regularly publishes and speaks on a range of topics including arbitration, dispute resolution, contracts, and commercial law. She speaks English, Portuguese, French, and Spanish.

 

Agustin G. Sanz

Agustin is a partner in the Madrid office. He has been trained in the civil law and common law traditions and has extensive experience of both international commercial and investment treaty arbitrations under the rules of the major arbitral institutions and ad hoc across a variety of jurisdictions, with a particular focus on Latin America, covering a broad range of sectors including infrastructure, energy, oil & gas, public contracts, and regulated industries. Agustin also has extensive experience advising international clients in connection with local administrative and court proceedings, settlement negotiations and contract renegotiations in the context of major disputes in Latin America. Agustin also sits as arbitrator.

He has been ranked as a “Future Leader” for arbitration by Who’s Who Legal.

Agustin’s recent experience includes:

  • Representing the Republic of Chile in its investment arbitration with a Colombian construction and power distribution company under the Chile-Colombia Free Trade Agreement
  • Representing Sacyr in its investment treaty arbitration against the Republic of Panama arising from the Expansion of the Panama Canal
  • Representing a Latin-American oil & gas and petrochemical company in its UNCITRAL investment treaty dispute and ensuing settlement negotiations with Ecuador
  • Advising the Inter-American Investment Corporation in matters of public international law
  • Advising an oil & gas major in its multimillion-dollar royalties dispute in Colombia
  • Advising a major Latin-American insurance company in enforcement proceedings and settlement negotiations
  • Advising an Omani investor in its potential treaty dispute with a European country
  • Representing a consortium of international oil & gas companies in an arbitration against a Latin American State, and in the ensuing settlement negotiations and agreement, arising out of tax liabilities imposed on the consortium in breach of legal and tax stability clauses included in the relevant investment agreements
  • Representing Pakistan in its disputes with India under the Indus Waters Treaty

Agustin previously worked at the Ministry of Economy and the Federal Communications Commission in Argentina, in addition to his academic roles at the University of Buenos Aires and the University of Chicago.

Agustin teaches in Argentina, Ecuador, and Colombia, and speaks regularly on arbitration-related issues. He is admitted in Buenos Aires and in the District of Columbia (Special Legal Consultant), and speaks English and Spanish

Carmen Martinez Lopez

Carmen, a partner in the Madrid office, has appeared as advocate in numerous investment treaty and commercial arbitrations. She has handled arbitrations under the rules of the major arbitral institutions and ad hoc across a variety of jurisdictions, with a particular focus on Latin America and Spain. Carmen also sits as arbitrator.

Carmen’s most recent experience as counsel includes:

  • Representing Sacyr in its UNCITRAL investment arbitration against the Republic of Panama arising from the Expansion of the Panama Canal
  • Representing the Republic of Chile in its ICSID arbitration with a Colombian construction and power distribution company under the Chile-Colombia Free Trade Agreement
  • Representing a Latin-American oil & gas and petrochemical company in its UNCITRAL investment treaty dispute with Ecuador
  • Representing a major wind power supplier in an ICC arbitration arising from the termination of a cross-licensing agreement relating to wind turbine technology
  • Representing a Spanish bank in an ICC dispute against an American bank relating to post-acquisition claims under a business transfer agreement
  • Advising a pharmaceutical company in a post-M&A LCIA dispute

Carmen is recognised in all major publications, including as a “Leading Individual” in The Legal 500 Latin America, with sources describing her as  “one of the most impressive legal minds I have encountered”, a “truly gifted practitioner”, who “has worked on some of the biggest cases of all time”, delivers “in a friendly and folksy tone, a very persuasive oral argument and a devastating cross-examination”, “gets into the details while keeping a strategic mindset”, “understands problems very well in a global way”, “has a lot of availability for the client”, and “has certainly been building up a fantastic reputation” in the market for her work in both investment treaty and commercial arbitrations. She has also been described as a “brilliant arbitrator”.

Carmen is dual-qualified in civil law and common law, and regularly handles contentious work in English, Spanish, and French. She is admitted to the New York and Madrid Bars, and is a Solicitor of the Senior Courts of England & Wales. Carmen holds law degrees from Columbia Law School, the College of Europe and the University of Murcia (Premio Nacional Fin de Carrera and Premio Extraordinario Fin de Carrera).

Carmen serves in a variety of leadership positions, including as the President of the British Chapter of the Spanish Arbitration Club (Club Español del Arbitraje), a member of the Arbitrator Appointment Committee of the Madrid Arbitration Court, and a team leader for the IBA Task Force for the Revision of the 2010 IBA Rules on the Taking of Evidence. Carmen writes and speaks regularly on arbitration-related issues.