Gabriel Alemparte


José Gabriel Alemparte Mery is a Chilean lawyer, political analyst, and politician focused on public affairs.
He served as vice president of the political party Democrats and has also held senior positions within the Chilean state.
Since 2018, he has been a founding partner of a law firm specializing in public law. Through this firm, he has provided institutional advisory services to other consultancies.
He has been a panelist on the political debate program Sin filtros since 2021. He began as a constitutional analyst during Chile’s constitutional process, maintaining a critical stance toward the government of President Gabriel Boric. After the rejection of both the 2022 and 2023 constitutional plebiscites, he focused on national and international political analysis, publicly supporting Venezuelan opposition leader María Corina Machado.
He is also a columnist for La Tercera and a regular panelist on Radio Agricultura. He has served on the board of the Vicente Huidobro Museum Foundation in Cartagena, dedicated to preserving the legacy of the same poet.

Biography

Alemparte was born on March 12, 1981, in Santiago, Chile. He is the son of Claudia Mery Domeyko and architect José Gabriel Alemparte Rojas, through whom he is a descendant of architect Sergio Alemparte Aldunate.
He attended the Lycée Antoine de Saint-Exupéry in Santiago and later the Sagrados Corazones School in Manquehue.
He studied law at Diego Portales University, qualifying as a lawyer. He later earned a master’s degree in Political Science and International Relations from the Pontifical Catholic University of Chile, supported by a scholarship from the Konrad Adenauer Foundation.

Political career

In 2001, he joined the Christian Democratic Party, which he left in 2020. During the first administration of President Michelle Bachelet, he worked at the Ministry of Transport and Telecommunications and the Ministry of Justice, where he served as Chief of Staff.
In April 2011, he joined the Municipality of Maipú as Legal Director and later as Municipal Administrator, appointed by then-mayor Alberto Undurraga. In December 2012, he became Director of Community Development in the Municipality of Providencia.
During the second Michelle Bachelet administration, he served as Chief of Staff of the Ministry of Public Works under the now Minister Alberto Undurraga, participating in infrastructure concession planning.
In 2022, he acted as a spokesperson for the “Reject” option in the constitutional plebiscite held on September 4, which resulted in a 62% rejection. He later became a founding member and vice president of the Democrats party.
In 2025, Democrats complied with an order of dissolution issued by the Electoral Service of Chile after failing to reach the minimum vote threshold in parliamentary elections.

Media profile

In 2021, Alemparte began appearing on television political debate programs during Chile’s constituent elections. He later became a regular panelist and constitutional analyst throughout the 2022 and 2023 processes.
From 2024 onward, his media exposure increased significantly, including public defenses of international figures such as María Corina Machado, whom he supported for a proposed Nobel Peace Prize nomination.
In 2024, he was proclaimed a pre-candidate for Governor of the Metropolitan Region by the Democrats party. He withdrew his candidacy on July 30, 2024, in favor of lawyer Francisco Orrego, who was ultimately defeated in the election.