 He managed to climb the ranks in the company, becoming deputy general director of CUP in 1990.In 1990 he entered the first cycle of formation of the PAIGC aiming at the democratic opening, and in this period his proximity to the top management of the party is worth the opportunity to continue his studies.In 1990 he won a master's scholarship abroad and, until 1994, he remained in the United States, at the California State University, Fresno, where he completed the Master's program in Technical Sciences of Civil Engineering in the specialty of structures.