In April 2015 he resigned his duties as a mayor, while he was already the Secretary General of the Socialist Party and the party's candidate for Prime Minister, so that he could prepare his campaign for the October 2015 general elections.
Pada bulan April 2015 dia mengundurkan diri dari tugasnya sebagai walikota, sementara dia sudah menjadi Sekretaris Jenderal Partai Sosialis dan calon presiden Perdana Menteri, sehingga dia dapat mempersiapkan kampanyenya untuk pemilihan umum bulan Oktober 2015..