Ir. Reggy Widjaya, M.Arch
Planning Director


A graduate of the University of Tarumanagara (1994) and holder of Master of Architecture degree from Khatolieke Universiteit Leuven, Belgium (1996). In 1997 he joined his three friends to set up TETRA as Planning and Design Director.
Ir. Priliani
Operation and Finance Director


Graduated from the University of Tarumanagara in 1994. Employed by Ciputra Group for four years before founding TETRA in 1997. Since 2003 she has been handling operational and financial matters of TETRA.
Ir. Fritz Simatupang
Project Director


Graduated from the University of Tarumanagara in 1995. Together with his three colleagues he is now dedicating his proficiency to develop TETRA.
Ir. Derijanto Gani
Project Director


Graduated from the University of Tarumanagara in 1994. Worked for Metropolitan Kencana for four years and later founded TETRA, specializing in Project Management. He was also involved in the establishment of TETRA Konstruksindo in 2001.