[6] Ruhwald finished his MA at Royal College of Art in London in 2005,[5] studying under Martin Smith, Allison Britton and Emmanuel Cooper.
[8][9][10] Instead, Ruhwald's work implies that "subjectivity arises in the perception of differences, one that is both durational and spatially determined".
[7] Ruhwald's work is rooted "the 20th century Scandinavian tradition of the Formgiver in which the artisan compensates for modernity and our enigmatic dissatisfaction with it".
[8] His work is often highly crafted and a large part of his practice is dedicated to material experimentation and surface development,[11] and as a result Glenn Adamson has noted that "for all their compressed particularity, [his] sculptures are also enlivened by inexhaustible nuance.
He was an assistant professor at NSCAD in Halifax, Canada in 2005/06, CU Boulder in Colorado in 2007, An Associate Professor at The School of the Art Institute of Chicago in 2007/08 and the Artist in Residence and Head of Ceramics at Cranbrook Academy of Art from 2008 until he resigned in 2017.