Chambrun was associated with various centre-right groupings, including the Republican Federation, Democratic Republican Alliance and the Popular Democratic Party.
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As an independent, he chose cabinet members from widely divergent political parties and positions, including members of the then center-left Popular Democratic Party, the Socialist Party and even the Portuguese Communist Party and the Armed Forces Movement (MFA) officers.
Previous to becoming governor, García Padilla held various roles in the political landscape of Puerto Rico, first as Secretary of Consumer Affairs, then as member of the 24th Senate of Puerto Rico, and finally as President of the Popular Democratic Party.
He was one of the founders of the then Popular Democratic Party together with Francisco Sá Carneiro, Francisco Pinto Balsemão, Joaquim Magalhães Mota, Carlos Mota Pinto, João Bosco Mota Amaral, Alberto João Jardim and António Marques Mendes, in which party he exercised many offices at its national organs.
Pro-statehood votes in 1984 were split between the PRP and the NPP, which renominated Romero, and the Popular Democratic Party was returned to power through the election to an unprecedented non-consecutive second term of Rafael Hernández Colón as Governor.
In 2012, Ramón Ruiz and Martín Vargas Morales, from the Popular Democratic Party, were elected as District Senators.
Rodríguez decided to run for a seat in the Senate of Puerto Rico under the Popular Democratic Party (PPD) at the 2012 elections.
Tugwell also supported Puerto Rican self-government through the repeal of the Organic Act in 1948, and support for Luis Muñoz Marín’s Popular Democratic Party, the PPD.
In 2000, Calderón led the Popular Democratic Party (PPD) during a close campaign for Governor against Carlos Pesquera (PNP) and Rubén Berríos (PIP).
In 1940, Moscoso joined the Popular Democratic Party after meeting Luis Muñoz Marín, and became instrumental in making Luis Muñoz Marín's vision of an industrialized Puerto Rico a reality.
Alejandro García Padilla (born 1971), President of the Popular Democratic Party of Puerto Rico
Senator Roberto Prats became the Popular Democratic Party's nomineee for Resident Commissioner for the upcoming elections, which he lost to Luis Fortuño, despite a big boost for his congressional campaign, when the Democratic National Committee (DNC) Chairman Terry McAuliffe endorsed him in March 2004.