Sempra Energy has named Carlos Ruiz as chairman and CEO of the company's Mexican operating subsidiary, Sempra Mexico. Ruiz served on Sempra Energy's corporate board of directors from 2007. In his newly created position, Ruiz will be responsible for management of all of Sempra Energy's Mexican operations.

Ruiz is a partner in Proyectos Estrategicos Integrales, S.C. He also serves on several boards of directors, including Southern Copper Corp. and OHL Concesiones Mexico, S.A. de C.V. Prior to joining Proyectos Estrategicos Integrales, S.C. in 2001, Ruiz spent six years serving as Mexico's Secretary of Communications and Transportation. Previously, he served in several posts at the Central Bank of Mexico, the Mexican Treasury and with PEMEX.

Sempra Energy also announced that Arturo Infanzon has been named to the newly created position of COO for Sempra Mexico. Infanzon has served as vice president of Mexican operations for Sempra International since January. Previously, Infanzon was vice president and director of operations for Sempra Pipelines & Storage.

He also has served as controller of operations in Mexico and general manager for ECOGAS. Prior to joining Sempra Energy in 1997, Infanzon worked for Price Waterhouse and First National Bank.