Admitted to the Paris Bar and Madrid Bar, Alejandro López Ortiz is a partner in the International Arbitration practice of the Paris office of the international firm Mayer Brown..He often represents companies and States in commercial and investment arbitrations in complex disputes arising in engineering and construction projects, energy, telecommunications, mergers and acquisitions, commercial contracts and financial transactions. He has acted as counsel before the major international arbitration institutions such as the ICC, LCIA, ICSID, ICDR, SIAC, the Madrid Court of Arbitration and the Court of the Hungarian Chamber of Commerce, among others, and in ad hoc arbitrations under the UNCITRAL Rules. In addition, he often sits as arbitrator for institutions such as the ICC and the Madrid Court of Arbitration and in ad hoc tribunals and has recently joined the panel of arbitrators of ICDR. Sources refer to him as "one of the best arbitrators in Spain." (Chambers Global 2012). Alejandro is a member to the Subcommittee of Investment Arbitration of the IBA and of the ICC Task Forces on the Revision of the Rules of ICC as Appointing Authority in UNCITRAL or other Ad Hoc Arbitration Proceedings and on the New York Convention on recognition and enforcement of foreign arbitral awards. He was also country reporter in the study on Arbitration in the EU and Switzerland published by the European Parliament in 2015.He has acted as an expert witness before the courts of Ireland and Norway in cases of recognition of foreign arbitral awards. Alejandro lectures and publishes extensively in his practice areas.