With an MBA from California State University Monterey Bay, he now serves as Commissioner at PT. Krakatau Sarana Infrastruktur. Previously, Mr Thomas also held the position of Assistant to the Ambassador at the Embassy of Indonesia Washington DC. His extraordinary track record includes various important roles such as Commissioner at Bank Banten and Aetra Air Jakarta, Assistant to the Chairman at Kadin Indonesia, and various other important positions. This shows his skill and strategic acumen.

Graduated from IAIN Sunan Ampel, Surabaya. Has been Commissioner since 2022. Previously held roles include Government Relations and Security Coordinator, Public Relations Staff, and Associate Researcher. He also has a diverse career background, including roles at PT. Energi Mineral Langgeng and contributions to research organizations, showcasing their valuable experience and commitment.

Mr. Sonny is an alumnus of the Physics program at the University of Indonesia, currently serving as a commissioner at PT Krakatau Sarana Infrastruktur. Previously, he has held key positions such as Director of Operations at PT. Raksi Gahara Sakti. In addition, Mr. Sonny also has various organizational experiences, such as being a member of the Alumni Association of Electronic Instruments at UI. He possesses extensive experience, connections, and expertise.