Jocalyn Clark is an award-winning public health scientist, and one of the world's most experienced medical journal editors. Over a 20 year career at The BMJ, The Lancet, and PLOS Medicine, among others, her editorial leadership has helped globalise and diversify the top medical journals, reshaping the scientific literature to be more inclusive of global health content, women, and experts from low and middle income countries. Jocalyn was appointed International Editor of The BMJ in August 2022. Previously she was an Executive Editor of The Lancet (2016-2022) where she led EDI efforts and #LancetWomen to advance women in global health; Executive Editor at icddr in Dhaka, Bangladesh; and Senior Editor at PLOS Medicine. She is an advisor to Global Health 50/50 and WomenLift Health and an appointed member of the Royal Society of Canada's expert panel on Canada's role in global health. She is an adjunct professor of medicine, University of Toronto, and honorary associate professor, Institute for Global Health at UCL. Jocalyn is an elected fellow of the Royal College of Physicians of Edinburgh and the Canadian Academy of Health Sciences.