Nir Barzilai, M.D. is one of the leading pioneers of longevity research. He is the founding director of the Institute for Aging Research at Albert Einstein College of Medicine, where he is also a professor in the Departments of Medicine and Genetics.  He is also the director of the Paul F. Glenn Center for the Biology of Aging Research and the National Institutes of Health Nathan Shock Centers of Excellence in the Basic Biology of Aging.  Dr. Barzilai has received numerous awards, including the Beeson Fellow for Aging Research, the Ellison Medical Foundation Senior Scholar in Aging Award, the Paul F. Glenn Foundation Award, the NIA Nathan Shock Award, and the 2010 Irving S. Wright Award of Distinction in Aging Research.

Nir discovered the first longevity gene in humans and has since discovered others. He is also the co-founder of CohBar, a clinical-stage biotechnology company focused on increasing healthspan by developing treatments for age-related diseases.

 Age Later is his first publication for consumers.