Actor TJ Trinidad was active in show business in the early 2000s, when he became part of the movie Aishite Imasu 1941: Mahal Kita and the series Basta't Kasama Kita. In 2008, TJ became a Kapuso when he became part of the series Obra. In GMA, TJ was part of several series such as Zorro, the Philippine adaptation of Stairway to Heaven, Captain Barbell: Ang Pagbabalik, The Rich Man's Daughter, and Mulawin vs Ravena.

In 2019, TJ's last television show was when he made a special participation in the Kapuso series The Gift starring Asia's Multimedia Star Alden Richards. In 2018, TJ became involved in the trilogy of TBA Studios when he portrayed former president Manuel L. Quezon in the movie Goyo: Ang Batang Heneral.

TJ portrayed the older version of Quezon while Kapuso actor Benjamin Alves portrayed him when he was still a lieutenant. Unfortunately, the production of Quezon got delayed because of the COVID-19 pandemic. At the same time, TJ take a step away from showbiz.

According to his LinkedIn profile, TJ was already working from 2017 to 2018 as director of business development for Aviation at International Container Terminal Services, Inc. Now, TJ is the vice president of Aviation Concepts Technical Services Incorporated, based in Subic Bay. Since January 2019, TJ is also an accountable manager for Interisland Airlines, Inc.

Aside from focusing on his career, TJ is also a happy married man with his wife and their children..