Osiel graduated from Universidad de Chile, Law School in 2001. He earned an MBA from Universidad Adolfo Ibañez and ESADE (Multinational Program) in 2015. He worked for EY Chile between 2002 and 2018 where he was in charge of the Tax Consulting and International Tax departments.
In 2006, he performed as Chilean desk at the EY LLP office in New York. Osiel has been professionally recognized in the area of tax law by Best Lawyer, International Tax Review, and Chambers and Partners. He teaches at Universidad Adolfo Ibañez Master in Taxation Program, and Universidad de Chile, School of Economics, Tax Master’s Program.
He is a member of Consejo del Centro de Estudios Tributarios (CET) (Tax Studies Center Council) of Universidad de Chile and the Scientific Committee of IFA Chile.