Karun Thapa was born in 1965 (BS 2022) in Beni to a Hindu family.

Karun Thapa started his career a software developer and a computer trainer.

UNESCO nominated Thapa to participate in the Asian Federation of Natural Language Processing (AIT, Bangkok) 1992 and the Asia Pacific Regional Seminar on Information Technology and Newspaper Publishing[9] in Madras (from 11–14 April 1995) in recognition to the font development done by him.

[13] Karun Introduced AVID film editing[14] and digital cinema in Nepal.

[15][16][17] for serving CIAA in Audio Visual Medium and introducing Digital Film in Nepal for National Film Award provided by the Govt of Nepal[21] 2017 Tuborg Image Awards 2012 Tuborg Image Awards 2013 Govt of Nepal