Jakarta, The Doctoral Program once again held an Open Dissertation Defense for doctoral students. On Friday, February 6, 2026, Dicky Nugraha officially held his dissertation defense with a concentration in Sustainable Development (SUSDEV), addressing strategic themes relevant to national extractive industry governance.

The open session is scheduled to begin at 8:00 a.m. WIB, and will involve a team of internal and external examiners with national and international reputations in the fields of economics, sustainability, and corporate governance.

In his dissertation entitled “The Role of Capital Ownership Type on the Influence of Sustainability Information Quality on Financial Performance: Development of a Disclosure Index in the Nickel Industry”, Dicky Nugraha analyzes the relationship between the quality of sustainability information disclosure, capital ownership structure, and its implications for the financial performance of companies in the nickel industry sector.

This open session was led by Prof. Dr. Yolanda Masnita Siagian, CIRR, CMA, CPM as the Chief Examiner, with Dr. Husna Leila Yusran, MM, CMA, CPM as the Secretary. Acting as Promoter was Prof. Juniati Gunawan, Ph.D, accompanied by Dr. Budi Santosa, M.Si., M.Phil as Co-Promoter. The examiner members consisted of Prof. Dr. Eleonora Sofilda, M.Si, Prof. Dr. Willy Arafah, MM, DBA, and Dr. Ir. Noezran Azwar, ST., MT., IPU., ASEAN Eng., ACPE as External Examiner, who provided practical and professional perspectives on the research presented. The session was also supported by Dr. Astrid as the notary.

Through this research, it is hoped that the results of Dicky Nugraha’s dissertation can provide academic and policy contributions, particularly in developing sustainability disclosure standards and improving the financial performance of the nickel industry in line with the principles of sustainable development.

This open dissertation defense marks an important milestone in the academic process of the Doctoral Program, while also strengthening the role of universities in producingresearch relevant to policy-making and sustainable business practices in Indonesia.