David Mark Kramer (born 1961) is an American biophysicist.
Kramer earned a Bachelor of Science degree at the University of Dayton in biology, then completed a master's of science in cell biology at the same institution. In 1990, Kramer completed a doctorate in biophysics at the University of Illinois.[1] He is the Hannah Distinguished Professor in Photosynthesis and Bioenergetics at Michigan State University.[2]