Stefan Koerner started his career at the "Presse" in 2016 as an assistant to the management. He grew to become the Chief Operating Officer (COO) and responsible for strategy, business development, IT and facility management.

After completing his bachelor's degree in business administration at the Vienna University of Economics and Business Administration, Körner began his professional career at KPMG Austria, alongside a traineeship abroad for the Austrian Foreign Trade Center in São Paulo (Brazil). He successfully completed his master's degree in Business with Technology at the Technical University of Munich in September 2015. During this time he worked at the chair for strategy and organization at the Technical University of Munich.