Dr. Nils Schlag en von WolfsRoot | Okt 5, 2022 Dr. Nils Schlag Nils Schlag was born in Münster/Westphalia. He studied Business Administration (Master Degree) at the University of Münster, Germany and the University of Illinois, USA with further stays abroad in Spain and Argentina. He holds a Dr. in Marketing. Nils managed his own company from 2000-2005, before he joined McKinsey & Company, Inc. as a consultant in their Düsseldorf Office. Since 2013 he was a Partner of the firm. Nils shares ownership of ARENIT with Stefan Niemeier. As owner and managing director of ARENIT he follows his passion for performance improvements. Nils lives in Düsseldorf, married with two daughters.