Joan A. McGowan, Ph.D. Dr. McGowan is the Director of the Musculoskeletal Diseases Branch at the National Institute of Arthritis and Musculoskeletal and Skin Diseases, leading a program of research on orthopaedics, osteoarthritis, bioengineering, basic skeletal biology, osteoporosis and related bone diseases. Before joining NIH, Dr. McGowan was a faculty member at the Harvard Medical School and Massachusetts General Hospital. She received training at Cornell University (Master in Nutritional Science) and Brown University (Ph.D. in Biomedical Science). Dr. McGowan has been very active in osteoporosis and women's health activities at NIH including serving as a Project Officer in the Women's Health Initiative, a clinical trial and observational study that has recruited over 160,000 postmenopausal women. The study is designed to test promising interventions in cardiovascular disease, breast and colon cancer andosteoporosis. The study involves 40 clinical centers all over the country including the three centers focusing on osteoporosis. Dr. McGowan served as a member of the Advisory Board of the Canadian Institute of Musculoskeletal Health and Arthritis (2001 –2004) and serves on the Editorial Board of the journal Aging: Clinical and Experimental Research. Dr. McGowan chairs the Federal Working Group on Bone Diseases whose members represent all of the U.S. federal agencies with activities in osteoporosis and related bone diseases. This group serves to develop and foster collaborative activities among the government agencies in bone diseases. She was the NIH organizer of a Consensus Development Conference on Optimal Calcium Intake in 1994 and one on Osteoporosis held in March, 2000. She served as the Senior Scientific Editor of Bone Health and Osteoporosis: A Report of the Surgeon General published in October 2004.