Dietmar Joester (born 1963 in Lippstadt, Germany) was first trained as a cabinetmaker.  He then studied interior design with a focus on product design at the University of Applied Sciences in Trier.  After completing his studies, he founded his namesake studio for product and furniture design.  Joester has collaborated with several clients including Aera, Bacher, Behr-International, Bub; de Sede, Designo, Draenert, Huwil, Interlübke, Kesseböhmer, KMK Möbelwerkstätten, Leitner, Musterring, Oldenburger Möbelwerkstätten, Orsenigo, Reflex, Titus-International, and WK-Wohnen.