In 2020, the
Nuevas Ideas political party held internal elections to select its leadership, including the position of president—the leader of the party.
Yusef Bukele, one of Nayib Bukele's brothers, was the favorite to succeed then-leader Federico Anliker, however, he later declined to contest the position. Subsequently, Zablah became the favorite to succeed Anliker as the party's leader; his opponents were Isabel Monje and Israel Juárez. winning 31,476 votes compared to Monje's 3,806 votes and Juárez's 868 votes. On 26 October 2023, Zablah accompanied Nayib Bukele when he initiated the process to register his re-election campaign for the
2024 presidential election. == Personal life ==