Sauli Eerik Koskinen (born March 28, 1985) is a Finnish television host and entertainment reporter from Hyvinkää, Finland.
He was the host of Saulin Paras Kaveri lifestyle show which aired on Fox Finland.
Koskinen was the winner of Big Brother 2007, beating out nineteen other contestants in a public vote over a fourteen-week period. Before applying for the show, Koskinen worked as a clerk in a Helsinki clothing store. Mikko Räisänen, the casting director for Big Brother, has stated that the decision to put Koskinen in the Big Brother house was made within the first two minutes of his casting interview, crediting Koskinen's positivity, likability and openness.