What is Osvaldo Valles's function at Sierra Metals Inc.?
Osvaldo Valles is Supervisor de proyectos at Sierra Metals Inc..
Where is Osvaldo Valles based?
Osvaldo Valles is based out of Chihuahua, Mexico.
What is Osvaldo Valles's work email address?
Osvaldo Valles's professional email address is o*****@sierra***.com
Who are Osvaldo Valles's co-workers?
Osvaldo Valles's colleagues are Ernesto Balarezo, Luis Marchese, Gabriel Pinto, Americo Cardich, Alberto Calle, James Leon, Rajesh Vyas, Rigoberto Baena, Dawn Whittaker, Erick Robles, Diego Mendoza, Manoel Felix, Jesus Herrera, Carol Arriaga, Ed Guimaraes, Rafael Gaucin, Miguel Muñoz, Cristian Chapa, Edgar Ortiz, Rogelio Lopez, Adrian Ortega, Christiana Papadopoulos, Gilmar Montreuil, Mauricio Gonzalez, Karen Knowles, David Olague, Marcos Avena, Sandro Romero, Donald Mendoza.
