Nik Kosmas is an artist, personal trainer, and health expert who lives and works in Berlin. Originally a full-time artist as part of AIDS-3D, founded in 2006 with Daniel Keller, Kosmas now devotes himself to his fitness and nutrition businesses, which grew out of his artistic work. He is co-founder and resident expert on health and wellness for Maru Matcha, a Matcha tea distribution company in Berlin started in 2014.