Dr. Diez-Perez is a world-renowned, accomplished expert in bone quality and osteoporosis and Head Emeritus of Internal Medicine at the Hospital del Mar (Barcelona, Spain). He is a past Senior Medical Advisor at the Eli Lilly Research Laboratories in Indianapolis, IN where he led their Bone Quality research program. He was also a visiting scientist at internationally renowned Center for Hard Tissue Research at Creighton University in Omaha, NE and was a past Associate Professor at the Bloomberg-Johns Hopkins University, Baltimore, USA. Dr. Diez-Perez is a Professor at the Autonomous University of Barcelona, Spain and Director of the Research Unit of Bone and Joint Pathophysiology at the Municipal Institute of Medical Research. Additional current and past positions include: Advisor to the World Health Organization (WHO), Scientific Advisor to the International Osteoporosis Foundation, Board of Director of the International Bone and Mineral Society, Board of Director of the European Calcified Tissues Society, President of the Spanish Society of Osteoporotic Fractures, and President of the Spanish Society for Bone Research and Mineral Metabolism. Dr. Diez- Perez is author of over 260 publications in peer-reviewed journals and over 30 books and book chapters.