Jacek Welc is an Assistant Professor at Wroclaw University of Economics, Poland, and a Lecturer in Corporate Finance at SRH Berlin University of Applied Sciences, Germany. From 2003 to 2007, he was an independent consultant in the areas of corporate valuation, management accounting, and financial accounting. Having also been Head of the Corporate Finance Department at Dexus Partners, Jacek now co-owns a consultancy specialising in corporate financial services called WNP Ekspert. He has written and published a number of articles, as well as a book entitled Applied Regression Analysis for Business: Tools, Traps and Applications (Springer, 2017).