Dr. Stefan Niemeier en von WolfsRoot | Okt 5, 2022 Dr. Stefan Niemeier Stefan Niemeier was born in Halle/Westphalia. He holds a Master Degree in Business Administration with studies in Germany and the United States, and a Dr. in Economics. He was a Senior Partner at McKinsey & Company, where he spent more than 17 years. He was appointed to multiple global firm committees and firm leadership roles. Stefan shares ownership of ARENIT with Nils Schlag. As owner and managing director he lives his passion for the broad spectrum of the German “Mittelstand”. Stefan Niemeier lives in Hamburg, married with two children.