Thomas was previously a partner and managing director of BCG, where he worked primarily with metals and mining companies on strategy, organizational development and operational improvemen

Before that Thomas was the head of strategy and corporate development at Severstal and held senior positions at McKinsey & Company.

Thomas received both a Doctor of Laws Degree and a Mag. phil. in Slavic Languages from the University of Graz (Austria). He also received a diploma from the Bologna Center of the School of Advanced International Studies at Johns Hopkins University (USA). Thomas speaks German, Croatian and English.