Thomas Michel (born 1955) is a Professor in Medicine at Harvard Medical School interested in the intracellular pathways regulating the endothelial isoform of nitric oxide synthase (eNOS). He is an active clinician, researcher, and educator, and has won numerous awards for all three modalities. He is the discoverer of eNOS, a key regulator of vascular tone. In June, 2008, Thomas Michel was named the first ever Dean for Education at Harvard Medical School.