Prof. Dr. Ir. R. Roosseno was the Minister of Public Works in 1953-1954, the Minister of Transportation in 1954-1955, and the Minister of Economy in 1955-1956. From 1968 until 1989 he was Chairman of the Indonesian National Contractors Association (GAPENSI).
His daughter, Prof. Dr. Toeti Heraty N. Roosseno, succeeded him. In 1987 Dr. Cita Citrawinda Noerhadi, SH, MIP, took over the management of the firm. She totally reorganized and expanded it to become one of the leading intellectual property firms in Indonesia.
In 1995, Ir. Migni Myriasandra, MIP, MSEL, another daughter of Prof. Dr. Toeti Heraty N. Roosseno became deeply involved in the management of the firm, while Dr. Inda Citraninda Noerhadi, SS., MA., another daughter and Dr. Ir. Darwin Cyril Noerhadi, MBA, a son of Prof. Dr. Toeti Heraty N. Roosseno, who is also a member of the Supervisory Board of the Indonesia Investment Authority (LPI), is joining the firm until now.