R.E. Hartanto (Tanto), (b. Bandung, 1973) received formal training in Fine Arts from the Painting Studio, Faculty of Fine Arts and Design from the Bandung Institute of Technology (1992-1998) and the Rijksakademie van beeldende kunsten, Amsterdam, Netherlands (2001-2002).
Since 1998 to today, Tanto actively takes part in solo and group shows, leading workshops and initiating art projects, participating in artist-residency programmes, as well as curating contemporary art exhibitions. In addition to his artistic practice, Tanto also teaches courses and writes in the art blog “Doctor Rudolfo’s Art Clinic”. Tanto is the brand ambassador for Royal Talens, producer of art tools and materials from Apeldoorn, Netherlands for the period of 2022-2023.