Rok Kerin (born 1983) was ranked eighth on the 2010 FINA Open Water Swimming Grand Prix circuit and 32nd on the 2010 FINA 10K Marathon Swimming World Cup circuit. He is a multilingual, personable, well-traveled and highly-respected professional marathon swimmer from Slovenia who founded the Rok Kerin Swim Academy with Severin Lipovšek , Nace Majcen , and Nina Gramc