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Rantastia Nur Alangan currently serves as a Member of the Board of Directors at the International Society for Military Law and the Law of War and as Commander in Chief at SPIA INDONESIA since January 2018. In addition, Rantastia holds the positions of Director of Education and Managing Director at the Universal Institute of Professional Management, where involvement has spanned from February 1965 to the present. Rantastia earned a Doctor of Philosophy (PhD) in Distance Education from the Universal Institute of Professional Management, with studies conducted from 2002 to 2018.