It was a great opportunity to learn from the world leading scientists in the inventory research, such as my PhD supervisor Prof. Steve Disney (University of Exeter Business School, UK), Prof Mohamed M. Naim (University of Cariff, UK), Prof. Robert Boute ( Vlerick Business School, and KU Leuven, Belgium), Prof. Rogelio Oliva (Mays Business School, Texas A&M University, USA), Prof. Ruud Teunter (Department of Operations, University of Groningen, Netherlands), Prof. Li Zhou (School of Business), Prof Aris Syntetos and Dr Qinyun Li (University of Cariff, UK).