Piero Mella is Former Professor of Business Economics and Control Theory at the Faculty of Economics, University of Pavia. In the past he has been the Dean of the Faculty as well as the Director of its Department of Business Research and Coordinator of the PhD in Business Economics based at the Department. He has authored dozens of studies about Systems Theory from multiple perspectives. His recent essays about Systems Theory include: “Systems Thinking: Intelligence in Action” (Springer, 2012), “Constructing Reality. The "Operationalization" of Bateson’s Conjecture on Cognition” (Springer, 2020) and “The Magic Ring. Systems Thinking Approach to Control Systems” (2021, 1st Ed. 2014). He has developed the Theory of Combinatory Systems and is editor of the journal "Economia Aziendale on-line".