Our People

PT TRIMATRA TATAGRAHA fully recognizes that its greatest asset is its human resources. From the directors and staff to field workers, everyone is encouraged to continuously improve their knowledge, abilities, and skills through well-planned and ongoing education and job training.

Trimatra Tatagraha Board Of Directors

Board of Directors

Since its establishment in 1990, PT TRIMATRA TATAGRAHA has grown rapidly. These highly dedicated individuals have continued to pursue their vision in contributing to Indonesia’s development.

Currently, PT Trimatra Tatagraha is led by the Board of Directors and Commissioners, namely:

  • Ir. Harlyanto Arifin

  • Ir. Jo Joharno, MM

  • Grace Ratnasari, SW, MM

  • Ir. Hadiono CP, MBA

  • Person assembling aluminum mechanical parts on a metal surface with organized aluminum profiles in the background
  • A worker wearing safety glasses and red ear protection operating a large industrial machine in a manufacturing factory.
  • Trimatra Tatagraha industrial for Facade Building Specialist Jakarta
  • A worker wearing gloves, safety glasses, a blue cap, and ear protection, is welding metal chair frames in a workshop.