Guillermo has worked in accounting since 1997. During this time he has been in charge of external audits with firms like Mancera, PWC and KPMG. He worked at El Camino Resources Mexico for four years as a comptroller, where he managed budgets, treasury and taxes. Guillermo has been finance director at CSI Leasing Mexico’s since its inception in 2002. Now he is also responsible for human resources and operations. Guillermo studied public accounting at Universidad Autónoma del Estado de Morelos. He is currently working toward a master’s in finance at Universidad Autónoma de México.