Martijn Gerard Garritsen, born on the 14th May 1996 is a Dutch musician and producer from Amstelveen. He was named the DJ Mag top DJ in the world for 2016 and 2017. He has also had a number of high profile artists residencies, including at Hï Ibiza and OMNIA Nightclub.
In 2012, Garritsen signed a professional contract with Spinnin' Records until terminating his contract in 2015 and cutting ties with his management, MusicalAllStars on August 25, 2015. In a subsequent lawsuit against the record company, Garritsen won back his rights to his songs released under the label between 2012 and 2015, winning his case in a 2017 court ruling. Earlier in 2016, Martijn created his own label imprint 'STMPD RCRDS', named as a tribute to his father's role in the stamp business.
On 26 July 2016, Garritsen signed a 'worldwide' contract with Sony Music International. Explaining that, "their forward thinking approach to streaming and incredible roster of talented artists combined with their passion and understanding for my vision of the future of my music made this a no brainer."