Jacobus Antonius Peter Johannes "Jasper" Cillessen (Dutch pronunciation: ['j?sp?r 's?l?s?(n)]; born 22 April 1989) is a Dutch professional footballeur who plays as a goalkeeper for Spanish club Valencia and the Netherlands local team.
He joined NEC's youth team in 2001, making his professional debut for them in 2010, he signed for Ajax for €3 million a year later.
He played in 141 matches for them in six seasons, winning honours including three Eredivisie titles.
In 2016, he joined Barcelona for an initial €13 million.
In May 2011, he received his first call-up for the Netherlands national team.
He made his international debut in 2013 and was the country's first-choice goalkeeper as they finished third at the 2014 FIFA World Cup.