Piotr Ostaszewski has been appointed Managing Director of Sp.zo.o., Poland, Krosniewic, a daughter company of Germany-based speciality yeast manufacturer, Lieber. He replaced Dariusz Piorkowski as site manager, which leaves the Leiber company, to position itself to new challenges outside the Leiber GmbH. Piotr Ostaszewski studied at the Warsaw School of Agricultural Sciences priorities food and dairy technology.

Piotr Ostaszewski studied at the Warsaw School of Agricultural Sciences priorities food and dairy technology. He has extensive experience in the area of work preparation and production. His professional career began as a quality and production manager in the food industry. Later on , he was nominated as the first appointed production manager and technical director. As a member of the board and plant manager, he was responsible for production, quality and service, but also for customer audits and product development.

\"With Piotr Ostaszewski we found a highly qualified site manager with extensive expertise from which our Polish subsidiary will benefit.\" said Michael von Laer, Managing Director of Leiber GmbH.