The son of a cabinetmaker, where he received his first training, his approach to design is always firmly rooted in the workshop, where he gets to indulge his passion for material experimentation. He is a graduate of the Academy of Fine Arts and Design in Stuttgart and his products have received international acclaim, including winning the iF Gold Award and the Red Dot Best of Design award.

Diez takes a future-facing approach to design, advocating the notion that design should be about creating durable quality products for generations to come. Diez is an exacting designer, a strong generator of ideas and is always rigorous in his quest to fathom the true practicalities of furniture production.