Anna and Ralf Petersen

Anna and Ralf Petersen are the founders and managing directors of PETERSENARCHITEKTEN, an architecture practice established in Dortmund in 2004 and now based in Berlin and Stuttgart. Ralf studied at the University of Dortmund under Harald Deilmann, Hans-Busso von Busse and Stefan Polónyi. He co-founded Hansen + Petersen in 1989, and since 2012 he has been Professor of Building Construction and Design at the Hochschule für Technik Stuttgart. Anna studied at the Munich University of Applied Sciences and worked with Miralles Tagliabue EMBT in Barcelona. She joined Hansen + Petersen as project architect in 2000, and since 2011 she has specialised in the conversion and extension of existing buildings. In 2018 they founded Salone Verde art & social club in Venice.