Korsár was born in 1974 in Skellefteå and was educated at Valand Academy in Gothenburg from 1995 to 2000. He works with painting, sculpture, and printmaking, and has exhibited both in Sweden and internationally, including at Gallery Index in Stockholm, Museo de la Ciudad in Querétaro, Mexico, Gallery MUU in Helsinki, Finland, and Gallery 1 in Gothenburg.