Dagfinn Sagen is partner and owner of MDH Architects, Oslo. MDH has received numerous awards for its mass timber projects in Norway and internationally.

He has had a teaching position at the Oslo School of Architecture and Design, and has been a lecturer and guest critic in both Norway and abroad. He is co editor of the book series asBUILT on PAX Publishers. His experience from his practice ranges from larger mass timber construction projects to complex public transport projects.