Ir. Jeffrey Mulyono is a highly accomplished professional with extensive expertise in the coal industry, spanning upstream and downstream operations, strategic mine management, and sustainability initiatives. With over two decades of leadership experience, he has held key roles such as President Director at PT Bhakti Energi Persada (EBP), PT Pesona Khatulistiwa Nusantara (2007–2016), and PT Berau Coal (1997–2006). Jeffrey has led significant projects, including the construction of coal power plants as Project Owner at PT Berau Coal (2003) and PT Pesona Khatulistiwa Nusantara (2016). Beyond his corporate achievements, he serves as Chief of the Advisory Board for the Indonesian Mining Professional Association (PERHAPI), contributing to the development of mining standards and policies in Indonesia. Jeffrey’s career is marked by a strong commitment to advancing the mining sector through strategic operations, innovative management, and sustainable development practices.