Dr. Richard Eastell is a Professor and Head of the Academic Unit of Bone Metabolism at the University of Sheffield–Sheffield Teaching Hospitals NHS Trust and Director of the Mellanby Centre for Bone Research in Sheffield, UK. He is an internationally recognized expert in osteoporosis, bone metabolism, and bone turnover markers.

Professor Eastell holds several prestigious positions including National Institute for Health Research Senior Investigator Emeritus status and serves on the International Osteoporosis Foundation Committee of Scientific Advisors. He has held leadership roles with the European Calcified Tissue Society (Program Co-Chair), serves as Treasurer for IBMS, and sits on editorial boards for Endocrine Reviews and Lancet Diabetes and Endocrinology. He also serves as Senior Editor for the journal Bone.