Sara Mortimore, M.Sc., FRSPH, MIFST, is the Vice President and Global Subject Matter Expert for Food Safety at Walmart Inc. In her role, Sara is responsible for the global development and oversight of all food safety programs, compliance, and initiatives for the company's 10,500 stores, owned manufacturing facilities, and distribution and fulfilment centers. This includes the supplier and supply chain food safety program.

Prior to joining Walmart in May 2019, Sara held the position of Vice President of Product Safety, Quality, and Regulatory Affairs with enterprise-wide responsibility at Land O'Lakes Inc. In this capacity, she covered both human and animal foods and supported nonprofit international development work. 

Sara began her career with Glaxo SmithKline as a Research Technologist in research and development. In 1989, she joined Grand Metropolitan Foods, which later became Pillsbury and was subsequently incorporated by General Mills Inc. There, she held various roles leading supply chain food safety, quality, and regulatory teams in international markets. 

Sara is also the co-author of several successful books, book chapters, and papers on Hazard Analysis and Critical Control Points (HACCP) and food safety management. She has served on the board of trustees for the Royal Society of Public Health and is a Steering Committee member of the Global Food Safety Initiative (GFSI). Sara also serves on the Educational Advisory Board of the Food Safety Summit.