Arun premiered his first feature-length documentary ‘The Next Guardian’ (co-dir. by Dorottya Zurbó), at IDFA in the First Appearance Competition in 2017. Since then, it has been screened at more than 40 international festivals, had theatrical releases and broadcasted around the world. His recent television documentary, ‘Kelden’ won ‘The Asia Pitch’ and was screened in NHK World TV and KBS Korea. Before becoming an independent filmmaker, he worked as a TV director at the Bhutan Broadcasting Service for 5 years. He graduated from the first edition of DocNomads Joint Master in documentary directing in 2014 for which he was awarded an Erasmus Mundus scholarship in Lisbon, Budapest and Brussels. His short documentary ‘Mountain Man’, about Bhutan’s only glaciologist won the best pitch prize at If/Then Global Short-Pitch at IDFA 2019 and is supported by the IDA-XRM Media incubator program. The film premiered at IDFA 2022 in the Short Documentary Competition. He established his own production company - Sound Pictures - dedicated to creative documentaries in 2015. He is one of the few independent documentary filmmakers in Bhutan.