Career
Aguilera was a Senator from Camagüey from 1954 until 1959. He was one of the largest rice growers in Cuba. He was the owner of Finca San Antonio (Plantation San Antonio) which was 1000 caballerias (33,200 acres) with 600 caballarias (19,920 acres) dedicated to growing rice.
In 1953, he purchased 1700 cabillarias (56,440 acres) for $750,000.
He was also the owner of a rice mill company "Molino de Arroz, South America". Aguilera was married to Elena Pollack Casuso (1911–1966), the daughter of Mark A. Pollack, a tobacco exporter.
They had three children: Alina, Elena, and Guillermo Bernabe Aguillera-Pollack.