Functionality is the basis of the work

Corinna Kretschmar-Joehnk was born in November 1966 in Bielefeld. She completed her studies with a degree in the field of Interior Design in 1993. Since 2003, she has been the Managing Partner of JOI-Design GmbH in Hamburg.

Peter Joehnk was born in July 1957 in Kronach / Upper Franconia. In 1981, he attained his "Diplom" degree in Interior Design, and in 1983 he successfully completed distance learning studies as a Building Biologist. Since 2003, Peter Joehnk has been the Managing Director of JOI-Design GmbH in Hamburg.

Discover awards to "Flow"


"Functionality is the basis of the work, and this results from experience. Atmosphere is the playground of the creative, who are able to find surprising answers time and again."

Products by JOI DESIGN


With its dynamically shaped but simultaneously plain design, FLOW provides a charming retro touch to the dining room.


Classically stylish design that perfectly assumes the double role of “object and home protagonist“.


The flow models are characterised by clear, unfussy shapes and a modern interpretation of 1960‘s appeal.