Peter Trummer was born in Graz Austria and received his Master's Degree at the Technical University in Graz by Günther Domenig and his Postgraduate Degree at the Berlage Institute in Amsterdam.

He is a Professor for Urban Design and Head of the Institute for Urban Design & Urban Planning - IOUD at the University of Innsbruck. He is a Visiting Faculty of SCI-Arc, the Southern California Institute of Architecture in Los Angeles and Guest Professor at the Städelschule Architectural Class in Frankfurt.  He was Head of the Associative Design Program at the Berlage Institute in Rotterdam, Guest Professor at the University of Pennsylvania and the Academy of Fine Arts in Vienna. Peter Trummer was project architect at Un-Studio from 1996-2000, and has his own practice since then. He lectures and was invited as a critic at the the AA, the University for Applied Art in Vienna, the IAAC, the Berlage Institute, the School of Design in Philadelphia, Rice University, Havard GSD, SOA in Princeton, Tonji University in Shanghai and at the Yale School of Architecture.

He exhibited at the Venice Biennale in 2006 and 2012, at the Seoul Biennnale in 2019, at the Austrian Cultural Forum in New York and investigates, designs and speculates on the idea of The City as Architecture and Architecture as a City.