Antonio Tirol Carpio is a former associate justice of the Supreme Court of the Philippines. He was sworn in as a member of the Supreme Court by President Gloria Macapagal Arroyo on October 26, 2001, and served until his retirement on October 26, 2019. He served as associate justice of the Supreme Court of the Philippines for a period of eighteen years. He also served as chief justice in an acting capacity several times during his tenure as Senior Associate Justice.

Maria Gloria Macaraeg Macapagal-Arroyo, often referred to by her initials PGMA and GMA, is a Filipino academic and politician who previously served as the 14th President of the Philippines from 2001 to 2010. She is the longest serving president of the Philippines since Ferdinand Marcos. Before her accession to the presidency, she served as the 10th Vice President of the Philippines from 1998 to 2001 under President Joseph Ejercito Estrada, making her the country's first female vice president, despite having run on an opposing ticket. She was also a Senator from 1992 to 1998. After her presidency, she was elected as the Representative of Pampanga's 2nd district in 2010 and later became the Speaker of the House of Representatives on 2018 to 2019. She was also serving in the congress as a Deputy Speaker from 2016 to 2017 and from 2022 until 2023. She is one of the only 2 Filipinos to hold at least three of the four highest offices in the country: vice president, president, and house speaker, alongside former President Sergio Osmeña.