Gilius van Bergeijk is a Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 composer

Composer

A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

.

Taught by Kees van Baaren

Kees van Baaren

Kees van Baaren was a Dutch composer and teacher.Van Baaren was born in Enschede. His early studies were in Berlin with Rudolph Breithaupt and Friedrich Koch at the Stern conservatory. After returning to the Netherlands in 1929, he studied with Willem Pijper...

 and Dick Raaymakers

Dick Raaymakers

Dick Raaymakers is a Dutch composer, theater maker and theorist. He is known as a pioneer in the field of electronic music and tape music but he has also realized numerous music theater pieces and has published many theoretical essays.-Biography:Raaymakers studied the piano at the Royal...

 (electronic music), Gilius van Bergeijk is a highly respected teacher at the Royal Conservatory in Den Haag. Van Bergeijk also studied oboe and alto saxophone, playing with Peter Brötzmann

Peter Brötzmann

Peter Brötzmann is a German artist and free jazz saxophonist and clarinetist.Brötzmann is among the most important European free jazz musicians. His rough, lyrical timbre is easily recognized on his many recordings.-Early life:...

 in the Instant Composers Pool orchestra.

Many of his works focus on the transformation of familiar materials through deconstructive formal processes.
Some of his better known works include:

• 6 Piano installations.
• On Death and Time1980 (for electronic instruments, piano, organ contralto voice)
• Symphony of a 1000 (alphabetically)

BAC 1968-1970 for Barrel organ
Notable students include Richard Ayres

Richard Ayres

Richard Ayres is a British composer and teacher.Ayres was born in Cornwall, England in 1965. He followed Morton Feldman’s classes at the Darmstadt and Dartington summer schools. He studied composition, electronic music, and trombone at Huddersfield Polytechnic until 1989, graduating with...

, Allison Cameron

Allison Cameron (composer)

Allison Cameron one of Canada's most notable composers of contemporary classical music. She is also a performer of free improvisation and experimental music....

, Kristoffer Zegers

Kristoffer Zegers

Kristoffer Zegers is a Dutch composer.Taught by Gilius van Bergeijk, Jan Boerman, Martijn Padding, Clarence Barlow, Diderik Wagenaar at the Royal Conservatory in Den Haag.In Zegers' music microtonal clusters are the main object...

Frank Martinez and many other composition students who have passed through the Royal Conservatory of the Hague.
Van Bergeijk is also an avid cyclist and speed-skater.