Dr. Jonathan Adachi is a Professor of Medicine at the Michael G. DeGroote School of Medicine, McMaster University. He is the Actavis Chair for Better Bone Health in Rheumatology.

Dr. Adachi has been involved in clinical trials and epidemiologic research. He has been a co-investigator in the CIHR funded Canadian Multicentre Osteoporosis Study (CaMOS), a 20 year, 10.000 subject epidemiologic study examining risk factors for bone loss and in establishing normal bone mineral density values in men and women and in premenopausal, peri-menopausal and postmenopausal women. He holds a separate CIHR grant examining pQCT, HRpQCT and pMRI images of bone structure and strength and will determine the relationship of bone structure and muscle to fractures in a subset of CaMOS subjects. In addition to these CIHR CaMOS funded grants he is a co-investigator in a cross Canada study of pQCT in determining normal range for bone and muscle density and its relationship to muscle function using mechanography in 5000 individuals ranging from age 5 to age 75 years.

Dr Adachi has over 500 peer reviewed publications and is a respected leader in bone research in Canada and Internationally. He was awarded the Lindy Fraser Award by Osteoporosis Canada. In 2006, he received the North American Menopause Society award for Innovation in Osteoporosis Research. In 2012, he received the Queen Elizabeth II Diamond Jubilee Medal for his work in osteoporosis and in 2014 he was received the Olof Johnell Science Award that honours an individual who has contributed to the field of osteoporosis in a scientific or policy implementation area worldwide. In 2019 he was awarded the Herbert Fleisch Medal by ESCEO-IOF in recognition of his outstanding and innovative contributions in basic or translational science.