Dr. Tinna Traustadottir is a Professor in the Department of Biological Sciences at Northern Arizona University, where she has been a faculty member since 2011. She is currently serving as the Chair of Biological Sciences. She is a member of the NAU Institutional Review Board and the NAU Research Conflict of Interest Committee. She received her Ph.D. and M.S. degrees in Exercise Physiology from Arizona State University and her B.S. degree from the University of Vermont. Her doctoral work investigated the effects of aging on neuroendocrine stress resilience and the role of regular exercise in attenuating these age-related changes. During her post-doctoral work at the Kronos Longevity Research Institute (KLRI), her focus shifted to the redox biology of aging. She studied the role of regular exercise in the redox balance of aging and whether age-related deficits seen in sedentary older individuals can be restored through exercise or a phytonutrient intervention in sedentary adults. At NAU, she has continued this work and developed a model of exercise hormesis and adaptive redox response. The work in her laboratory continues to test and expand various aspects of this model.