An internationally-acclaimed clinical scientist, inspiring teacher and academic leader in the field of bone diseases, he remains a devoted physician to his patients. Chair of Medicine and Physician-in-Chief of the McGill University Health Centre, he is also Director of the Calcium Research Laboratory at the Royal Victoria Hospital. A sought-after guest speaker and visiting professor, he serves as scientific advisor to Canadian and international pharmaceutical companies. His innovative biomedical research has brought hope to bone cancer patients and led to improved treatments for those living with osteoporosis and other bone disorders.