Klaus Müller was born in Cologne, Germany. In 1987 he graduated from the RWTH Aachen University with a diploma in architecture.

After working as a project manager for Studio Thomas van den Valentyn, he founded his own office „Klaus Müller Architecture“ in 1990, and immediately embarqued in a successful career marked with a series of award-winning designs.

This included the Kölner Architekturpreis, Architekturpreis Nordrhein-Westfalen, Mies-van-der-Rohe Preis, and Deutscher Betonpreis.