[2] Doncker cut his teeth as a guitarist with New York No Wave acts including James Chance & The Contortions, Defunkt and J. Walter Negro & The Loose Jointz among others.

[3] He is noted for touring and recording with Japanese jazz musicians Sadao Watanabe and Masabumi Kikuchi.

[5] Doncker has worked with artists including Madonna, Ivan Neville, Bonnie Raitt, Meshell Ndegeocello, Corey Glover of Living Colour, former Parliament Funkadelic keyboardist Amp Fiddler, Grammy winning producer/bassist Bill Laswell, Chocolate Genius, and 2016 Grammy award nominee Shemekia Copeland.

[6][7] His ongoing collaborations with Pulitzer Prize-winning poet Yusef Komunyakaa have received massive critical acclaim.

[citation needed] In recent years Doncker has completed successful Chinese and European tours as a solo musician.