Jeffrey Rushen is a researcher in dairy cattle welfare at the Agriculture and Agri-Food Canada Research Centre, in Agassiz, British Columbia, and an adjunct professor in the Animal Welfare Program at the University of British Columbia and at the University of Laval in Quebec. He received his B Sc degree in psychology and zoology, and his Ph D degree in animal behavior from the University of Queensland in Australia. Since then he has worked on many aspects of animal welfare in poultry, sheep, swine and beef and dairy cattle, with positions in Australia, Germany, Sweden and Canada. He has on-going collaborative research in Japan, Denmark and Finland. His current interests are in lameness in dairy cows and milk-feeding, sickness and play behaviour of calves. He was a member of the European Food Safety Authority working group reviewing dairy cow welfare and is currently the research representative on The National farm Animal Care Council of Canada. He co-chaired the NFACC scientists’ committee reviewing priority areas of dairy cattle welfare, and was on the committee developing the new Code of Practice for the Care and Handling of Dairy Cattle for Canada. He has written over 100 scientific articles on farm animal welfare and has authored or co-authored several books and book chapters on this topic.