Prof. H.A.S. Natabaya, SH., LLM. is a law graduate of the Sriwijaya University, Palembang (1967) and a Master of Law degree from Indiana University School of Law Blumington, USA (1980). In 1981 he attended The Hague Academy of International Law, Holland. He has held a post as a Partner at an Indonesian law firm and occupied various posts within the Indonesian Ministry of Law and Human Rights prior to his appointment as a Constitutional Judge. He provides legal advisory services related to corporate matters for clients after his retirement as a Constitutional Judge. He has a broad experience in contract drafting as well as other corporate matters.