Spain's largest loyalty programme Air Miles Spain has appointed Alterian to handle its database management strategy. Alterian will be tasked with defining, executing and managing campaigns for Air Miles Spain's reward programme, 'Travel Club' which hosts more than 10 million members. It will also aim to increase response rates through more accurate targeting. Separately, the integrated marketing platform provider has won accounts for BBVA, Spain's second largest bank and El Corte Inglés.