He was elected as General Auditor, effective July 18, 2019. He has 37 years of experience with Grupo Mexico. Mr. Vaca Castro has been Director of Internal Audit of SCC since 2018. Previously, he was Director of Internal Audit of the infrastructure division of Grupo Mexico, as well as Deputy Director of Internal Control for the mining division of Grupo México. He was also comptroller of Minera Mexico Internacional and before this, he held several positions in different companies of Grupo Mexico. Mr. Vaca holds a Bachelor’s degree in Accounting from the Universidad Nacional Autónoma de Mexico (UNAM). He holds an MBA from the Universidad del Valle de México, with a specialization in finance, having earned an honorable mention award, when receiving his diplomas in finance and taxes. Mr. Vaca is also an active member of the Colegio de Contadores Públicos de Mexico and the Institute of Internal Auditors of Mexico. He is also President of the Technical Commission of Internal Audit of the Colegio de Contadores Públicos de Mexico. He is a professor at the Facultad de Contaduria y Administracion of Universidad Nacional Autónoma de Mexico (UNAM).