He studied at the Gerrit Rietveld Academy in Amsterdam (1979-1982), Croydon College of Art in London (1982-1983) and Ateliers 63 in Haarlem (1983-1985).
In 2011 he undertook a residency at the Josef Albers Foundation in Bethany, Connecticut and in 2017 at the Van Doesburghuis in Meudon, Paris.
[5] Parallel to this exhibition he published his book Cardinal Points, which presented an overview of more than fifteen years of work, with essays by Rudi Fuchs, Thomas Lange and Aalders himself.
[7] In 2021/2022, his exhibition 'Seasons' was on view at the Kröller-Müller Museum, on which occasion a catalogue is published in collaboration with Hatje Cantz, with an overview of ten years work.
[20][21] In collaboration with Group A, Rotterdam, Aalders made a design for the roof of the entrance parking lot Beatrixpark Beethovenstraat in 2016.