San Diego-based Sempra Energy has named Carlos Ruiz Sacristan, 68, as CEO of a newly formed North American infrastructure business. He has run Sempra’s Infraestructura Energetica Nova SAB de CV (IEnova) since 2012. The North American business will include Mexico-based IEnova, Sempra LNG & Midstream and all other liquefied natural gas (LNG) development and marketing activities. Tania Ortiz Mena, 48, was named IEnova CEO as of Sept. 1.