Mr. Marcelo Rizo Patrón de la Piedra
Mr. Marcelo Rizo Patrón has served as a member of our board of directors since 1994. He has also been chairman of the board of directors of UNICON since 1996, PREANSA Peru since 2007, and BASF Constructions Chemicals Perú S.A. (BASF) since 2000. He has served as manager and member of the board of directors of ARPL since 2001, in addition to serving as member of the board of directors of CELEPSA since 2005, Entrepisos Lima S.A.C. (Entrepisos) since 2010, PREANSA Chile since 2014, and PREANSA Colombia since 2013. Mr. Marcelo Rizo Patrón holds a BSc in Mechanical Engineering from the University of Notre Dame and a MSc in Mechanical Engineering from the Georgia Institute of Technology. He is also a graduate of the Senior Management Program at the Universidad de Piura.