Oroza was co-founder (1999) of Laboratory Maldeojo (with Fabian Martinez and Nelson Rossell), member until 2004 (Havana, Cuba) and co-founder (1995) of Ordo Amoris Cabinet (with Diango Hernandez, Juan Bernal, Abel Francis), member until 1996 (Havana, Cuba)
Ernesto Zedillo | Ernesto Rossi | Ernesto Lecuona | Ernesto Sábato | Ernesto Neto | Società Italiana Ernesto Breda | Ernesto Tomasini | Ernesto Rossi (politician) | Ernesto Pérez Balladares | Ernesto Samper | Ernesto Sabato | Ernesto Nieto | Ernesto Nathan Rogers | Ernesto Laguardia | Ernesto Juan Castellanos | Ernesto Hoost | Ernesto Herrera | Ernesto España | Ernesto De Pascale | Ernesto "Che" Guevara | Ernesto Castano | Ernesto Burzagli | Ernesto Bellandi | Ricardo Ernesto Montes i Bradley | Luis Ernesto Tapia | Luis Ernesto Derbez | José Ernesto Sosa | Ernesto's Burning | Ernesto Pujol | Ernesto Pérez Acosta |