Dr Marcia Endres is Professor of Dairy Cattle Production at the University of Minnesota, USA. She is past-President of the Dairy Cattle Welfare Council as well as Chair of the International Precision Dairy Farming Organisation. Professor Endres is internationally renowned for her research on dairy cattle welfare and the use of precision farming technology in the dairy sector. Dr Henk Hogeveen is a Professor at Wageningen University and Research and Utrecht University, The Netherlands. He is a member of the IDF Standing Committee Animal Health and was chairman from 2008-2012. He has more than 200 peer reviewed scientific publications in highly ranked international journals and besides that many publications in scientific proceedings and trade journals. He is founder of the Association for Precision Dairy Farming and a a frequently asked speaker on conferences. Jennifer Van Os is an Assistant Professor and Extension Specialist in Animal Welfare on the faculty of the Department of Animal & Dairy Sciences at the University of Wisconsin-Madison, USA. The research in her lab at UW-Madison focuses on understanding, evaluating, and improving the welfare of dairy animals from a biological perspective.