Sergio "Serge" de la Rama Osmeña III (; born December 13, 1943) is a Filipino politician and legislator who served as a Senator of the Philippines. He is a grandson of the 4th president of the Philippines, Sergio Osmeña. In his eighteen years in the Senate, Osmeña chaired the most committees and filed the most bills in the history of the institution. Early life Osmeña was born in Manila to Sergio "Serging" Osmeña, Jr. of Cebu and Lourdes de la Rama of Negros Occidental. He finished his elementary studies at De La Salle College, Manila. He spent his secondary studies at the St. Clement's College in Iloilo City, Ateneo de Manila and Beaumont College in Berkshire, England. Although he has never obtained a university degree, he studied in various educational institutions which include University of San Carlos, University of the Philippines, Los Baños, Harvard University, and Georgetown University. Prior to the declaration of Martial Law in the Philippines, Osmeña held business positions including: Assistant to president, Essel Incorporated (1967 to 1972) Assistant to president, Cebu Autobus Company (1967 to 1972) Assistant to president, De La Rama Steamship Co., Inc. (1966 to 1972) General Manager, LRO (Lourdes de la Rama Osmeña) Farms / Hacienda Doña Pepang (1968 to 1972) Chairman, Cebu Contracting Company (1968 to 1972) As a son of Marcos' political rival, Osmeña was imprisoned in 1972. In November 1974, he embarked on a hunger strike along with his cellmate, Eugenio "Geny" Lopez, Jr., to protest the unjust detention of thousands of innocent Filipinos. This resulted in the release of 1,022 political prisoners in December 1974. Osmeña and Lopez escaped from their maximum security prison cell in Fort Bonifacio on September 30, 1977. This exploit was enacted in the 1995 movie, Eskapo. While in exile at the United States, Osmeña served as the Director for Movement for a Free Philippines. He was also the founding director of the Justice for Aquino Justice for All (JAJA) Movement. After the removal of Marcos, Osmeña returned to the Philippines and held positions in business and government corporations in the 1990s: Director, Pacific CATV, Incorporated (1994 to 1995) Director, Telecommunications Holdings Corporation (1994 to 1995) Chairman, Intervest Group (1994 to 1995) Director, Micrologic Systems, Inc. (1994 to 1995) Director, Philippine National Bank (1992 to 1995) Director, San Miguel Corporation (1993 to 1995) Political career He served as Secretary General of the Progressive Party cluster