Martin Ulke (born 1973) studied at the London Business School and the Vienna University of Economics and Business. After his first professional position at Evonik, he moved to Brenntag, the world market leader in chemical distribution, in 2000. Here, he held positions including Head of Controlling Central Eastern Europe (CEE) in Vienna and CFO of the Turkish subsidiary in Instanbul.

In the position of Head of Interzero Circular Solutions Europe GmbH, he has helped shape the circular economy in Austria, Slovenia, Croatia, Poland, Serbia and Italy since 2008. He is responsible for the commercial area; his duties also include the strategic development of the CEE companies as well as the opening up of new markets and the development of new services. At Interzero Circular Solutions Europe, he is responsible in the International division for strategic orientation, finance, M&A, human resources and IT infrastructure.