Indonesian citizen, 56 years old. He has been a Director of the Company since December 14, 2015. He obtained his Bachelor of Civil Engineering from Atma Jaya Yogyakarta University, Master in Business Administration from the University of Portland. Previously, he served as a Logistic Division Manager and Sales and Marketing Division Manager of Indocement. Presently, he is also a President Commissioner and Commissioner of the Company's Subsidiaries. He has no affiliation with members of the Board of Commissioners, Board of Directors, and Controlling Shareholders.