He has taken part in most important international exhibitions since the early 80’s and has been a jury member for many national, and international, design competitions since 1989. He has earned major Finnish awards, including the State Industrial Arts Award, Graphic Artist of the Year, four Gold Awards and Platinum Awards. His many international awards include Gold from the mexico Poster Biennial, Silver from the Lahti Poster Biennial, First Prize from the Biennale of Theatre posters in Rzeszow, the Icograda Excellence Award in Chaumont, the President of the Brno Biennial Award and 1st Prize in the Colorado International Invitational Poster Exhibition. Two bronze awards in the 8th Graphic Designers Poster Exhibition, Ningbo China, 2001, and bronze prize in the Korean International Poster Biennale, 2002.
Kari is also a member of the Alliance Graphique Internationale.