The practice of architect Jens Casper covers architectural consultancy, design, research and teaching. A 1998 graduate of RWTH Aachen University with a strong interest in urbanism, Jens has established a practice that focuses on reading, interpreting and intervening in the built environment. His built work includes cultural buildings and venues, exhibition spaces, interiors, and high end residential projects, most of them implemented in listed environments. Carried out in a variety of partnerships and co-operations, his work has been internationally recognised, published, and awarded numerous times. His best known works are the Berlin transformations Boros Collection Residence and Radialsystem III, the residence HHGO in Oldenburg, White Cube Bermondsey in London, Phoenixhalle in Dortmund, and the research project Das Garagenmanifest
Jens is a founder and board member of the non-profit association Haus Döschnitz eV, a member of the Association of Critical Heritage Studies, of the Chamber of Architects of Berlin, and Bund Deutscher Architektinnen und Architekten BDA Berlin. In 2010 Jens was appointed member of the Konvent der Baukultur der Bundesstiftung Baukultur.

Jens held a great variety of teaching positions, and was appointed Professor for Design, Building Typologies and Architectural Theories (Entwerfen, Gebäudelehre und Architekturtheorie) at the University of Applied Sciences, Fachhochschule Erfurt in 2023.
Jens lives and works in Berlin, Germany, and summarizes his practice as C, since 2021.