Alfonso Rozas Ossa

Alfonso Rozas Ossa was the founder of Cementos Bío Bío SA, founded in 1957, where he held the title of Vice Chairman.
He was also the founder of Soprocal Calerías e Industrias SA, founded in 1940, where he held the title of Chairman.
Currently, Mr. Rozas Ossa holds the position of Vice Chairman at Ceramicas Industriales SA, Inversiones Cementos Bio Bio SA, Industria Nacional de Cemento SA, Fanaloza SA, Cementos Bío Bío Centro SA, Cementos Bío Bío del Sur SA, Inacal SA, Minera Jilguero SA, Minera El Way SA, Minera Río Colorado SA, Minera Río Teno SA, Ready Mix Sur SA, Ready Mix Centro SA, Inversiones San Juan SA, Inversiones CI SA, Equipos Generación SA, Ready Mix SA, Tecnomix SA, and New Briggs Holding, Inc. Previously, he held the position of Vice Chairman at Compañía Minera del Pacifico SA and Ready Mix Norte SA.