Bjarni has held numerous exhibitions both at home and abroad for over three decades. Bjarni studied at the school SanFrancisco Art Institute in the years 1990-1996, where he completed both BFA and MFA studies in visual arts with an emphasis on painting. In addition, Bjarni has taught at all the main art schools in the country and has held courses on his own for years. He has also been on various committees and boards in relation to visual arts in the last decades.