In 2001 Jonas moved to Tokyo where he lived and worked for 5 years (2001-2006). While living in Japan, he worked for a number of Japanese and foreign magazines, as well as for such companies like Sony and Warner.
Jonas moved back to Iceland in 2006 and since then he has worked as a freelance photographer in Reykjavik. He also worked as a full time photographer for The National Museum of Iceland (2008-2012). In 2008 he began photographing fitness competitors in Iceland. So far, Jonas has photographed more than 230 competitors and is hoping to finish the project and publish a book later this year. Jonas has exhibited his work in Iceland, Japan and the UK.