Marcelo Dietrich is a Professor of Comparative Medicine and Neuroscience at Yale School of Medicine. He is a physiologist and neuroscientist whose research focuses on the study of homeostasis.

In addition to his professorship at Yale University, Marcelo Dietrich serves as the Director of Iniciativa Proxima. His career history also includes a role as a Visiting Professor at Hcpa - Hospital De ClíNicas De Porto Alegre.