He holds an LL.M. from the University of California at Berkeley, a Master in Public Law from the Chilean P. Universidad Católica (where he graduated first in his class and received the Alejandro Silva Bascuñán Award) and an LL.B. from Universidad del Desarrollo (where he graduated with honors). Sergio is also a Deputy Editor-in-Chief of Derecho Público Iberoamericano (a peer-reviewed legal journal), and a member of the Board of Advisors of Sentencias Destacadas (a Chilean law review). He regularly publishes in Chilean legal journals, including Revista Chilena de Derecho and Estudios Constitucionales, and his recent publications have dealt with aspects of the Chilean Constitution ranging from the Constitutional Tribunal to the ongoing constitution-making process.