Kari Koivistoinen is a Director of Development at Sumo Sheffield. They possess expertise in video games, game development, mobile games, computer games, casual games and 39 more skills. They is proficient in German, Swedish and English. Colleagues describe them as "I had the pleasure of working with Kari as my Senior EP at Sumo. Kari brought a unique blend of vision, deep gaming knowledge, and a relentless commitment to quality that lead our projects to new heights. Kari brought confidence in leading large scale AAA titles, aligning the vision with detailed execution, ensuring we consistently delivered on time and to budget. Kari also has a rare talent merging both the creative and operational side of leading games which I admire - in summary, strongly recommended! :-)." and "Worked with Kari briefly but very intensively on a platformer-shooter metroidvania game called Blast Brigade. Kari provided great visionary expertise and feedback for the game. Also helped to involve some other great professionals to work on the game. Was pleasure to work with, hope to cross paths again."