Sergio Hamerslag, born in 1983, received his first clarinet lessons at the age of 11 from Gerrit de Weerd.
Four years later he was accepted into the Young Talent class at the Amsterdam Conservatoire, where he studied with Herman Braune. After successfully receiving his Bachelors Degree in 2004, he continued his studies with Harmen de Boer and obtained his Masters Degree cum laude in 2006.
He attended masterclasses and courses with Karl Leister, Paul Meyer, Ralph Manno and Sabine Meyer, among others. He was also invited by the Amsterdam Concertgebouw to take a master class with the American clarinettist Richard Stolzman in 2002.
Sergio won a 1st prize in 1999 at the national competition of the Stichting Jong Muziektalent Nederland (SJMN) and made his solo debut with the then Radio Symphony Orchestra, conducted by Jan Stulen, with Introduzione, tema e variazioni for clarinet and orchestra by Gioacchino Rossini. He has played this same work in various venues in the Netherlands, including the large hall of the Concertgebouw.
He played first clarinet in the Jeugdorkest Nederland, then in the Nationaal Jeugd Orkest and substituted in the classical broadcasting orchestras, Holland Symfonia, Nederlands Blazers Ensemble, Nederlands Philharmonisch Orkest, Orkest van het Oosten, Rotterdam Philharmonic Orchestra, Doelen Ensemble, Asko ensemble, Residentie Orkest and the Royal Concertgebouw Orchestra.
He has worked with famous conductors such as Daniele Gatti, Iván Fischer, Valery Gergiev, Mariss Jansons, Bernard Haitink, Jaap van Zweden, Mark Wigglesworth, Jukka-Pekka Saraste, Sir Colin Davis, Oliver Knussen, Alexander Lazarev and Reinbert de Leeuw.
In chamber music repertoire he has worked with Reinbert de Leeuw, Vera Beths, Igor Roma, Gustavo Nuñez, Bart Schneemann, the Brodsky Quartet, Mauricio Kagel, Werner Herbers and William Purvis.
Sergio joined the Muziekcentrum van de Omroep in September 2009. He is (bass) clarinetist in the Radio Philharmonic Orchestra. He also held this position with the Radio Chamber Philharmonic until August 2013.