Feriwan Sinatra
Komisaris
Feriwan Sinatra meraih gelar Insinyur Pertambangan dari Institut Teknologi Bandung pada tahun 1991. Sebelum ditunjuk sebagai Komisaris PT Tunas Inti Abadi pada 2019, beliau adalah Direktur Tunas Inti Abadi (2012-2015) dan Direktur Utama PT Reswara Minergi Hartama (2015-2017).
Sebelumnya, beliau pernah menjabat antara lain sebagai General Manager Mining Operation di PT Kaltim Prima Coal, Mine Manager di PT Kaltim Prima Coal, Coal Mining Manager di PT Kaltim Prima Coal, Pit Manager di PT Kaltim Prima Coal, Superintendent Pit Technical di PT Kaltim Prima Coal, Long Term Planning and Production Engineer di PT Kaltim Prima Coal, Superintendent for Pit Production and Pit Services di PT Kaltim Prima Coal, Supervisor for Pit Production and Pit Services di PT Kaltim Prima Coal, Short Term Planning Engineer di PT Kaltim Prima Coal, Drill and Blast Engineer di PT Kaltim Prima Coal.