Nikolaj Viltoft was born in 1977. He studied with Christer Nilsson at the Royal Danish Conservatory of Music in Copenhagen. 1999, 2000, and 2001 Nikolaj was selected to be a member of the European Union Youth Orchestra and during the summer of 2001 he was on a concert tour with Orkester Norden playing solo trumpet in Mahler's Fifth Symphony.
2001 on a contract with the Copenhagen Philharmonic Orchestra. 2001/2002 on a contract with the Danish Radio Symphony Orchestra as 2nd principal trumpet. 2002 won a position with the opera in Malmø, Sweden. 2002 on a contract with the Odense Symphony Orchestra as principal trumpet. 2003 on a contract with the Swedish Radio Symphony Orchestra as 2nd principal trumpet. 2003-2005 soloiststudies at the Hochschule für Musik Köln with professor Urban Agnas.
2004 Principal trumpet, Opera National de Paris.