[2][3] Jaime Eduardo Marc Diaz Cojuangco was born on April 12, 1997, in Paniqui, Tarlac, Philippines.

His grandfather, Danding Cojuangco, was an influential businessman and politician who founded the NPC.

His grandmother, Gretchen Cojuangco, and his aunt, actress and former Miss Universe Gloria Diaz, are well-known personalities.

Running under the NPC, he won the May 9, 2022 elections by a significant margin, defeating independent candidate Joseph Ramac.

[4] Since assuming office on June 30, 2022, Cojuangco has focused on continuing his father's legacy by advocating for infrastructure development, education, and healthcare in Tarlac's 1st district.