Károly Pataki became CEO of Trenkwalder International AG in December 2013 after serving as chief sales officer. Prior to Trenkwalder, Pataki was deputy general manager of Dunapack Ltd. and CFO and later 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 and a market leader in Hungary and in the Black Sea region. The company has approximately 70,000 employees and recorded turnover of €1 billion in 2012. Trenkwalder has 300 branches in Central and Eastern Europe.