Chong Sung Kim is the Managing Partner and Founder of Indoyang & Partners. He received his law degree, both S.H. and M.H., from the Faculty of Law, University of Indonesia. As a lawyer and businessman with decades of international entrepreneurial experiences, Chong Sung possesses the understanding of business practices and acumen that can only be obtained through an eclectic range of experiences. Throughout his years as a businessman, Chong Sung has built a formidable and spanning international network in his fields. He currently serves as a member of the Indonesian Bar Association (PERADI). His principle areas of practice and expertise are Investment, Corporate, Criminal & Civil Litigation, and Tax Law.
Additionally, he currently serves as the lawyer in the Embassy of the Republic of Korea to Indonesia and the Korean Association in The Republic of Indonesia. He is an Indonesian-naturalized citizen who fluently speaks Korean, Indonesian, and English.

Ari Wahyudi Hertanto is a Partner at Indoyang & Partners. He received his law degree, both S.H. and M.H., from the Faculty of Law, University of Indonesia. He spent two years and eight months as a Legal Consultant of Soebagjo, Jatim and Djarot (SJD) (previously called – Soebagjo, Roosdiono, Jatim and Djarot). Thereafter, he worked as a Senior Lawyer at Bastaman & Partners for five years, as well as at IKS & Partners.

Ari specializes in corporate laws, investment, international trade, and immigraton, and is fluent in English and Indonesian. He currently teaches General Theory of State and Law, Commercial Contract Drafting, and Pancasila (Indonesian Ideology) at the Faculty of Law, University of Indonesia. In addition, He teaches Legal Opinion, Corporate Law, and Civil Law at other private Law Schools in Indonesia such as University of Trisakti, and University of Al-Azhar. He also teaches at Advocate Training Course (Pendidikan Khusus Profesi Advokat – PKPA) under supervision of Perhimpunan Advokat Indonesia (Indonesian Advocates Association) held by Faculty of Law University of Indonesia, Faculty of Law University of Trisakti, Faculty of Law University of Lampung, Faculty of Law University of Tanjungpura, Pontianak, FHP Law Education, FFP Law Education, O.C. Kaligis, and so on.

1. Chong Sung Kim, S.H.,M.H. (Managing Partner / Lawyer)
2. Ari Wahyudi Hertanto, S.H., M.H. (Partner / Lawyer)
3. Widya Tuslian S.H., L.L.M (Associate/ Supporting Lawyer)
4. Aprilia Dwi Paramita, S.H., M.H. (Associate Lawyer)
5. Ilman Dhohiry, S.H., M.H (Associate Lawyer)
6. Ricky Teguh, S.H., M.H. (Associate Lawyer)
7. Agus Candra, S.T., S.H. (Associate Lawyer)
8. Sigit L. Prabowo, S.H., M.H., CPL (Associate Lawyer)
9. Udhin Wibowo, S.H., M.H. (Associate Lawyer)
10. Indah Mulia Hanisa S.H (Associate Lawyer)
11. Lydia Anatheressa Lumenta S.H (Associate Lawyer)