 Complete the following phrase:  Pujols retirement ahead of the 2003 Catalan regional election prompted Artur Maswho served as chief minister  and Pujols protégée during the late stages of his governmentas his successor as CDC leader and CiU leading candidate. After CiUs victory in the 2010 regional election, Mas would become the new president of the Government of Catalonia, introducing previously unseen variable geometry in the regions politics: first by partnering with the oppositions main party the PSC, then seeking collaboration with the local PP branch for approving the regional budget. As a result of the 