Kristof received his first saxophone courses from Georges De Kerpel, the conductor of the local band in Sint-Gillis (Dendermonde), his birthplace. He started his professional education at the Royal Conservatory in Brussels, where he graduated in 2003 with greatest distinction with Norbert Nozy (saxophone), Bart Bouckaert and Luc Loubry (chamber music). He perfected at the Amsterdam Conservatorium (class of Arno Bornkamp), where he graduated in 2005. During these years of study, he took masterclasses with Jean-Marie Londeix, François Daneels, Eugène Rousseau, Markus Weiss,…
Kristof participated in a some competitions and won a few, like the Concours Adolphe Sax in Dinant (1999) and the Orpheus-prize in Antwerp (2004). He also received the Horlait-Dapsens-prize in 2003.
At the chamber music competition during the 2002 Summer Course in Darmstadt, he won a scolarship fort he edition of 2006, where he worked with an ensemble, directed by Lucas Vis, towards a concert with first performances of young, contemporary composers like Wieland Hoban and Robin Hoffmann.
A few of the ensembles Kristof has been a part of are het Vlaams HarmonieOrkest, Group C (contemporary music ensemble), Sax-Appeal (saxophone quartet), Captain Cheese-beard and The Seven Sisters of Prevention (Frank Zappa tribute band).
In 2007, Kristof won the audition for the Royal Symphonic Band of the Belgian Guides, where he is the tenor sax soloist. With this band, he performed a few times as solist, and he recorded the Rhapsody bij André Waignein.
Kristof also played with the Brussels Philharmonic, the Symphonieorkest van Vlaanderen, the Vlaamse Opera, the Chapelle De Lorraine…
Since 2005, Kristof teaches an the Zaventem music academy. As of 2020, he is also a part of Collectif Arsys.