Dr. Ratajczak is the Henry M. and Stella M. Hoenig Endowed Chair in Cancer Biology and the Director of the Developmental Biology Research Program at the University of Louisville, James Graham Brown Cancer Center. Dr. Ratajczak earned his M.D. at the Pomeranian Medical University and his Ph.D. and D.Sci. at the Center for Clinical and Experimental Medicine in Warsaw, Poland and completed fellowships at the Polish Academy of Sciences and the University of Pennsylvania in Philadelphia, he is an internationally known specialist in the field of adult stem cell biology. His 2005 discovery of embryonic-like stem cells in adult bone marrow has the potential to revolutionize the field of regenerative medicine and discovery which may lead to new treatments for cancer, heart disease, eye disease, diabetes and neurodegenerative disorders. Dr. Ratajczak has won various highly prestigious awards including the 2006 Award in Medicine and Biology from the Foundation for Polish Sciences (the highest scientific award in Poland), and the 2002 Chad Kopple Spirit Award from the Leukemia and Lymphoma Society. He has published numerous books and more than 400 peer-reviewed publications.