Robert Langer since 2009 has been David H. Koch Institute Professor at the Massachusetts Institute of Technology, where he was previously Institute Professor; between 1988 and 2005, he was Kenneth J. Germeshausen Professor of Chemical and Biomedical Engineering at MIT Department of Chemical Engineering; Whitaker College of Health Sciences, Technology, and Management, and the Harvard-MIT Division of Health Sciences and Technology. Since 1999 he has been Senior Lecturer on Surgery, Harvard University, Harvard Medical School.