Oiko graduated from literature and linguistic studies at University of Warsaw (BA 2008) and photography at London College of Communication (MA 2009). He debuted in 2007 with the exhibition entitled "Guys. From Poland with love." In 2007 Petersen was in the group of fifteen most interesting young Polish photographers who were qualified for the PhotoPoland project organised with the help of the Adam Mickiewicz Institute and in 2013 was invited by Fotomuseum Wintherthur to take part in their annually curated international portfolio viewing featuring young emerging European Photographers. His works were displayed, i.a. in The Centre for Contemporary Art Ujazdowski Castle in Warsaw as a part of The Red-eye Effect. Polish Photography of the XXI Century exhibition and at numerous international photography festivals, i.a. in France (Transphotographique09), Finland (Backlight08) and in China (Pingyao International Photography Festival). He tought photography in WSR (Warsaw). Petersen lives and works in Berlin.