Founders and Management

Didi Sudiana, S.E., M.M. – Founder and President Commissioner

Didi is a strategist in Organizational Development. Didi has joined Tumaritis Rubber Indonesia since 2001, Didi has always provided strategic and practical solutions for Tumaritis Rubber Indonesia business development. Didi has completed his last education (Master of Management) from one of the universities in Jakarta.


Ir. Ono Sarjono – Founder and President Director

Ono has joined Tumaritis Rubber Indonesia since 2001 and a former graphic industry engineer with more than 30 years of experience. Experienced in handling several graphic machines from Germany, Japan, and several other countries made him understand the problems and complete repair solutions. Ono has completed mechanical engineering education at one of the universities in Jakarta and at the beginning of his career in the graphics industry he has received training and certification from one of the MAN companies in Germany.


Ishak, S.E. – Founder and Director

Ishak was the main actor of Tumaritis Rubber Indonesia since 2001 and former marketing team of the Bingham Rubber Roller in Indonesia in the 1990s. Ishak who had the entrepreneurial spirit began making business ideas to create a Rubber Roll repair service company for the graphics industry. Ishak who has completed economic and financial education at a university in Jakarta, has brought Tumaritis Rubber Indonesia to become one of the companies with many customers in Indonesia.


Dra. Eni Suhaeni – Co-Founder and Corporate Secretary

Eni has joined Tumaritis Rubber Indonesia since 2004.


Drs. Dading Husnadi – Co-Founder

Dading has joined Tumaritis Rubber Indonesia since 2004.


Dra. Aan Nurhanah – Co-Founder

Aan has joined Tumaritis Rubber Indonesia since 2004.