John Fernie is Emeritus Professor of Retail Marketing at Heriot-Watt University, Scotland. He has written and contributed to numerous textbooks and papers on retail management, especially in the field of retail logistics. He was the founder editor of the International Journal of Retail & Distribution Management and is on the editorial board of numerous marketing and logistics journals. He is a Fellow of the Institute of Logistics and Transport. He holds an Honorary Professorship at St Andrews University and several visiting positions at European universities. David B Grant is Professor of Supply Chain Management and Social Responsibility at the Hanken School of Economics, Finland. David has over 250 publications in various refereed journals, books and conference proceedings and is on the editorial board of several internationally ranked journals. Honours in 2019 include the award of the Bualuang ASEAN Chair Professorship at Thammasat University in Thailand.