Hongky Jeffry Nantung holds the position of President Director at PT Karya Dutamas Cemerlang, President Director at PT Puradelta Lestari Tbk and Operational Director at PT Duta Pertiwi Tbk. Mr. Nantung is also Vice President Director at PT Pembangunan Deltamas.

In his past career Mr. Nantung occupied the position of Director & Head-Operations at PT Bumi Serpong Damai Tbk, General Manager of PT XL Axiata Tbk and Chief Executive Officer-Commercial at PT Sinar Mas Land.

Hongky Jeffry Nantung received an undergraduate degree from the University of Wollongong.