John Colley is Professor of Practice and Associate Dean at Warwick Business School teaching MBA and executive education students. From Finance Director and then Managing Director at British Gypsum, John rose through leadership roles to become Group Managing Director at a FTSE 100 business and Executive Managing Director at a French CAC 40 business. Having chaired a listed business and currently chairing various private businesses he remains sought after to advise businesses at board level.  Entering academia with a PhD from Nottingham University, Professor Colley has unique business insight that bridges practise and theory.  He is highly quoted for his expertise and has written for international press and popular business journals.   Dimitrios Spyridonidis is an Associate Professor at Warwick Business School where he is the Programme Director of the Executive MBA and Executive Diploma in Strategic Leadership. Prior to this Dimitrioswas at Henley Business School and Imperial College London. He has taught leadership and leadership development worldwide. Dimitrios’ research has been published in leading academic journals including Organization Studies, Journal of Management Studies, Human Resource Management, Public Administration and Human Relations.