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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Roger Gill Durham University, UK

Roger Gill is Visiting Professor of Leadership Studies at Durham University Business School (DUBS), Durham University in the UK, and an independent consultant on leadership and leadership development.  He supervises research both in DUBS and in Durham’s Department of Theology & Religion.  He is a Chartered Psychologist, a graduate of the universities of Oxford, Liverpool, and Bradford and a Fellow of the Leadership Trust Foundation.