Holding a masters degree in business administrations, Berna worked in their family business which produces leather garments. She has involved not only in the production processes but also took action in many different deparments in order to achieve sustainability through out the company. Besides that she engaged with export and R&D department in the company. Then she founded her own company and launched a web site to sell the leather goods to all over the globe. Due to feeling responsible for the enviromental issues and sustainable production processes she became a founding member of a cooperation which is concentrated in circular economy and she started giving consultancies, attending talks and trainings about circular economy. She believes that the world economy needs a systematic change starting from the supply chain to the end customers. This change is absolutely necessarry not only for the econmy but also for the climate. And she believes that this change can only be applicable by the circular economy since the natural resources are coming to an end drastically. She also believes that she can be a part of this change due to her experience in production processes. She took the training the trainer course of Creating business through circular design.