Guillermo co-heads the Energy Industry Group and member of our tax group based in Mexico city. His expertise relates to corporate tax planning, M&A and transfer pricing legal analyses. Guillermo has represented and assisted multinational companies in complex cross-border tax litigation resulting from transfer pricing adjustments, cost-sharing arrangements, multinational restructures, and potential recharacterisation of intercompany payments. Guillermo is chair of the Legal and Tax Committee of the Canadian Chamber, and vice chair of the Tax Committee of the American Chamber of Commerce in Mexico. He is a member of the International Fiscal Association, and officer of the International Tax Committee of the American Bar Association, Section of International Law.