Mariana Tomassi specializes in international arbitration and has broad experience advising international clients in matters of commercial arbitration, acting as counsel in arbitrations held under institutional rules of the ICC, LCIA and ICDR, among others. Her experience in dispute resolution pertains to the infrastructure, construction, and energy sectors. 

Mariana is a member of ICC Mexico, ICC Young Arbitration and ADR Forum (ICC YAAF), London Very Young Arbitration Practitioners (London VYAP), Young International Council for Commercial Arbitration (Young ICCA), and Institute for Transnational Arbitration (Young ITA).