Sven Westendorp, "HIGH" (December 22, 1969 — August 17, 2011) was a criminal, graffiti artist, and designer from Amsterdam, Netherlands.
Since his early years as a graffiti writer in the 1980s Sven was tagging the name "HIGH" helping to pioneer the movement in the Netherlands.
[2][3][4] Born in Amsterdam, Sven Westendorp got involved with hooliganism and graffiti in the mid 1980s when he started tagging the name "HIGH" together with "C.B.S."
crew, which stands for Criminal Bombing Squad or Can't Be Stopped in the tunnels, on trains and on walls around the city.
[7] In 1997 he was commissioned by AFC Ajax N.V. and with permission of the Amsterdam Arena, together with fellow writers DELTA, OASE, RHYME and GASP to create a graffiti mural dedicated to the club.