Composer, arranger, bassist, pedagogue, illustrator, and lyricist.

Served as a bass player in the Navy Band.

Arnon holds a bachelor's degree in arranging and composition from Berklee College of Music in Boston, a master's degree in jazz arranging and composition from Manhattan School of Music in New York, and a doctoral degree with highest Distinction from Bar-Ilan University,  Israel for his research on jazz harmony. In addition, Arnon holds a Master's degree in literature (poetry and prose writing) from the University of Haifa and a diploma in animation from Morley College, London.

Arnon is a professor, PhD at the Jerusalem Academy of Music and Dance, where he served as Dean of the multidisciplinary faculty, and as  chairman of the Teaching and Learning Quality Committee.
Arnon is a steady guest professor at many colleges and universities around the world: Netherlands, Ireland, Norway, Germany, Spain,  Italy,  England and even Mongolia.
In the U.S., Arnon serves ocassionly as a guest professor at Berklee College in Boston, New York University,  Texas, Mayne,  North Florida University, Emherst Ma.,  Michigan, Iowa, Pennsylvania, and many more.

Arnon has performed and recorded with many international jazz artists, including Dave Liebman, Lee Konitz, Phil Woods, Benny Golson, Terri Lynn Carrington, Zakir Hussain, Dan Adler, Ben Monder, Jerry Bergonzi, Jerry Fischer,  Norbert Stachel, Tony Williams, Jeff Wilkins, Donald Vega, Cyrus Chestnut, Airto Moreira, Adam Nussbaum, Tim Hagans, Uri Caine, Ivonik Prene, Louis Porter, Marcello Pellitteri, and many more.

Arnon's discography includes ten albums, among them a quintet album featuring his compositions performed by jazz giants Dave Liebman, Adam Nussbaum, Tim Hagans, and Uri Caine titled "Treasure Map," and an album dedicated to his arrangements called "Tomorrow's Expectations," which featuring jazz giant Dave Liebman and his big band.

Arnon is one of the veteran bass players in Israel. He has played and recorded with the Mel Keller Quartet, the Amikam Kimelman Quartet, Dan Gottfried Jazz All-Stars Quintet,  Roman Kunsman Quartet,  Peter Wertheimer Quartet,  Albert Piamenta Quartet, Arik Einstein, Shalom Hanich,  Shlomo Artzi,  Yoni Rechter, Yehudit Ravitz, Gidi Gov, Gary Eckstein, Shlomo Ydov, Yossi Banai, Shimon Israeli, the progressive rock band "Duvdevan," and his large ensemble "Plutonium" (for which he wrote the libretto, music, and orchestration for the jazz opera "Zarakh the Alien").

Arnon is the creator and artistic director of the "Dorot" Jazz Festival, which takes place annually at the Acum's Creators' House in Tel Aviv. The festival emphasizes female empowerment and intergenerational collaborations.
Another annual production that Arnon produces and directs artistically at the Creators' House is the televised new music marathon of interviews "Elephants and Haze."

Currently, Arnon is the head of the academic preparatory program for jazz studies in Haifa and Tel Aviv, aimed at preparing students for higher education at the academy.

His works and arrangements are published by the prestigious music publishers J. W. Pepper and Walrus Publications. His book "Connection Points in Jazz Dialects: The Metamorphic Process" was published in 2018 by Or-Tau Publishing and Ono Academic College press. His books "Advanced Techniques in Re-Harmonization" and "Models and Lines" were published by Jazzbooks publication , New York,  2019.

Arnon has won the America-Israel Cultural Foundation Prize five consecutive times as a jazz composer and musician, first prize in the arrangement competition for jazz orchestras in Mannheim, Germany, and in the composition competition of the White Night in Tel Aviv for his string quartet "Opus 500."

In 2021, Arnon received the Prime Minister's Prize for Composers in the field of jazz – the most prestigious award in Israel for music.