Bernd Kaltenbrunner is managing director of KWN Engineering GmbH, an engineering and consulting company for machine construction and refrigeration technology in Seekirchen/Austria. Born in Austria, Bernd Kaltenbrunner has a degree in industrial engineering and a Master's degree (MSc) in production management. Bernd Kaltenbrunner was elected chairman in 2016.
Monika Witt, born in 1963, is managing director of the TH. Witt Kältemaschinenfabrik GmbH in Aachen. She studied mechanical engineering at the RWTH Aachen and finished with a diploma in the field of process engineering. In 1991 she started as a project engineer for air separation plants at Messer Griesheim GmbH in Krefeld and moved in 1993 to MG Industries USA, a subsidiary of Messer Griesheim GmbH Germany. In 1996 Witt joined the family business TH. Witt Kältemaschinenfabrik where she took over the managing position in 1998. Monika Witt was elected vice chair in 2016.