Before becoming CEO of Trenkwalder International AG in December 2013, Károly Pataki was chief sales officer of the Trenkwalder group, responsible for Central and Eastern Europe. Prior to Trenkwalder, Pataki was deputy general manager of Dunapack Ltd. and CFO and then CEO of Prinzhorn Holding. Since 2013, he has been a member of the Senate of Economy in Austria. Trenkwalder is the largest staffing provider in Austria as well as market leader in Hungary and in the Black Sea region. The company employs approximately 70,000 employees and recorded a turnover of €1 billion in 2013. Trenkwalder has 300 branches in Central and Eastern Europe.