After an education as a cabinet maker Dietmar Joester studied interior design with emphasis on product design at the university of applied sciences in Trier.
In 2000 he set up the product- and furniture design agency studio_joester.
Since that time the studio worked with various notable national and international clients, for example Bacher; Behr-International; Bub; de Sede; Designo; Draenert; Huwil; Interlübke; Kesseböhmer; KMK; Leitner; Musterring; Oldenburger Möbelwerkstätten; Reflex Spa; Titus-International Ltd or WK-Wohnen.
In addition to the core competence product design, the office also works in the fields of 3d visualization, product graphics, web- and interior design and trade fair presences.
The studio has won several design awards, the projects have been shown in numerous exhibitions.