Marian L. Kohut, Ph.D, Assistant Professor, is the principle investigator of this research study. She studies the effects of aging on immunity and neuroendocrine-immune interactions. While at ISU, her laboratory has been focused on finding methods to improve influenza vaccine efficacy among older adults. Prior to ISU, her postdoctoral studies on aging, exercise, and immunity were completed at the Center for Psychoneuroimmunology, University of Rochester School of Medicine, NY. She received her Ph.D. from the University of South Carolina.
Del Konopka, RNMS, is certified as a Health and Fitness Instructor by the American College of Sports Medicine. Her MS is from Northern Illinois University.
Joan E. Cunnick, Ph.D., Associate Professor, is an immunologist at ISU who has research interests in psychoneuroimmunology. At ISU, she has studied nutrition and immune response as well as neuroendocrine-immune interactions. She completed postdoctoral training at the University of Pittsburgh Medical School in the field of Psychoneuroimmunology and received her Ph.D. in microbiology with an emphasis in immunology from Kansas State University.
Warren Franke, Ph.D., Professor, is an exercise physiologist with research interests in the area of cardiovascular control of blood pressure and cardiovascular disease. He has extensive experience in performing graded exercise tests on healthy and diseased populations as well as developing and managing exercise programs for these populations. He received his Ph.D. from Virginia Polytechnic Institute and State University, a.k.a. Virginia Tech.

Daniel W. Russell, Ph.D., Professor. Dan Russell is currently conducting research on the role of attribution processes in the provision and perception of social support. He also continues an active program of research concerning the causes and consequences of loneliness, and on topics related to research methodology and multivariate statistics, such as structural equation modeling, multilevel modeling, and approaches to missing data in longitudinal investigations. He completed his Ph.D. in Psychology at UCLA.

Dr. Gary Hoff, DO, is the Associate Dean for Clinical Affairs and a cardiologist with Des Moines University He is on staff at several of the area hospitals. His D.O degree is from Oklahoma College of Osteopathic Medicine.
Dr. Carmella D’Addezio, DO, is an internal medicine physician and professor at Des Moines University. She has been involved in multiple medical research projects and publications. Her D.O degree is from Michigan State University.
Dr. Carmella D’Addezio, DO, is an internal medicine physician and professor at Des Moines University. She has been involved in multiple medical research projects and publications. Her D.O degree is from Michigan State University.