Jacinto developed an interest in music and he was particularly inclined to the guitar. He set up his first enterprise called RJ ENTERPRISES at the age of 15. It produced and released numerous record hits of his school band, “RJ and The Riots.” RJ ENTERPRISES has been in the industry pioneering the multi-track recording in the country, having purchased the first Amper 300-3 track machine in the country. It eventually became the studio of choice for many artists and advertising agencies at the time.
After graduating with honors in Economics at the Ateneo de Manila at the age of 19, he proceeded to work for his father’s steel company (the largest in the country). RJ continued his studies by taking up law at the University of Sto. Tomas, taking night classes to accommodate all his other responsibilities.
Jacinto founded the Rajah Broadcasting Network, Inc. on 1965 which grew to eleven (11) radio stations nationwide, four (4)
TV stations in Metro Manila and provinces. Then he became the chairman of RJ Holdings, Inc. which owns and develops prime real estate properties. He then launched RJ Guitars Store in 1988 in Glorietta Mall. He also established a roofing business, JacintoColor Steel Inc., which resulted in innovating the industry.
As for now, he serves as Presidential Adviser for Telecommunications, with the rank of Secretary at the Office of the President.