Another former politician is changing jobs. Former PP minister Luis de Guindos will leave the European Central Bank and will begin collaborating with IESE. A week of changes at the top of GSMA Ltd., the company that organizes the Mobile World Congress in Barcelona: John Hoffman will become president and will be replaced as CEO. And the changes also affect the Mobile World Capital Foundation, from which Francesc Fajula is leaving. Meanwhile, Banco Sabadell is starting a new phase with the replacement of its CEO.