He was 4x Mayor of bayside town Jose Panganiban, Selective Service System Commissioner, Vice Governor of Camarines Norte, Representative to Batasang Pambansa and Governor of Camarines Norte. Organizer and National President of National Mines and Allied Workers Union, an epitome in labor unionism in the country with tens of thousands of members, mostly in mining industry, nationwide, at its peak. President after his tenure as Vice-President of Miners" International Federation based in England United Kingdom
Delegate of Ph to International Labor Organization, United Nations, Geneva, representing Labor.
Born Casimiro Ruiz Padilla on March 4, 1926 in Camarines Norte, he was the father of actors Rommel Padilla, Robin Padilla and Rustom Padilla.
He is also the father of politicians Casimiro Roy A. Padilla, Junior. (more known simply as Roy Padilla, Junior), a former Congressman and Governor of Camarines Norte, and Ricarte Padilla, The incumbent Mayor of Jose Panganiban, Camarines Norte.
There is a park named after him in the town of Jose Panganiban. He was assassinated on January 17, 1988 on the eve of national elections in Labo, Camarines Norte.
He was 61, and buried in Camarines Norte.