Dr. Jack Guralnik is currently Professor of Epidemiology and Public Health at the University of Maryland School of Medicine.  He spent 25 years doing research at the National Institute on Aging and was Chief of the intramural Laboratory of Epidemiology, Demography and Biometry.  He received his M.D. degree from Jefferson Medical College in Philadelphia and M.P.H. and Ph.D. degrees from the University of California, Berkeley.  He is Board Certified in Public Health and General Preventive Medicine.  Dr. Guralnik has received multiple professional awards during his career.  In 2005 he was awarded an Honorary Doctorate from the University of Tampere, Finland and in 2009 received the NIH Director’s Mentoring Award.  His primary areas of interest in the epidemiology of aging include the study of physical functioning and disability, the benefits of physical activity, the prevalence and impact of multiple co-existing chronic conditions, factors associated with healthy aging, methods of assessment of health and functional status, and trends in demographic and health status characteristics of the older population.  He has published over 800 journal articles and book chapters in these areas of aging research and has taught and lectured extensively in the U.S. and abroad.