Trygve Tollefsbol is a Professor of Biology and a Senior Scientist in the Comprehensive Center for Healthy Aging, the Comprehensive Cancer Center, the Nutrition Obesity Research Center, and the Comprehensive Diabetes Center at the University of Alabama at Birmingham (UAB). He is Director of the UAB Cell Senescence Culture Facility which he established in 1999. Dr. Tollefsbol has doctorate degrees in molecular biology and osteopathic medicine and has edited and co-authored numerous books on the topics of epigenetics, cancer and aging and is Series Editor of Translational Epigenetics. Dr. Tollefsbol is a Professor of Biology and a Senior Scientist in the Center for Aging, Comprehensive Cancer Center, Nutrition Obesity Research Center, and the Comprehensive Diabetes Center at the University of Alabama at Birmingham (UAB). He is Director of the UAB Cell Senescence Culture Facility which he established in 1999 and a Steering Committee Member of the UAB Center for Aging.