Boeren was born in
Vught,
Netherlands, on March 11, 1962. He took up the
trombone at the age of 16. In 1981, Boeren went to study classical music at the Conservatory in
Utrecht, and in 1983, moved to the Conservatory in
Hilversum in order to study jazz under
Bart van Lier. While at Hilversum, he took part in workshops with some of the foremost jazz musicians of the day, including
Bob Brookmeyer,
Frank Foster,
Bill Holman, and
Mel Lewis. ==Career==