Diego Grass founded OnArchitecture with Claudio Mesa in 2011, but original started collaborating with Felipe de Ferrari in architectural audiovisual records since 2006. Grass is a graduate (2010) of and professor (2014) at Pontificia Universidad Católica de Chile.
Grass has worked on architectural projects together with Thomas Batzenschlager since 2017 and has lectured/participated as visiting critic at institutions such as Tokyo Institute of Technology and Harvard University. His work has been presented at Venice Architecture Biennale, Columbia University, Gallery MA in Tokyo, etc.