Constantine Achilleos Gatsonis is a Greek-born biostatistician, currently the Henry Ledyard Goddard University Professor of Biostatistics, Chair of Biostatistics and Founding Director for the Center for Statistical Sciences at the Brown University School of Public Health.
He was also Founding Editor in Chief of Springer's Health Services and Outcomes Research Methodology.
Gatsonis enrolled in Union College, attending for a year before transferring to Princeton University.
At Carnegie Mellon, he became interested in biostatistics; in 1988 he became an assistant professor at Harvard Medical School.
In January 1995, Gatsonis moved to Brown University, where he founded the Center for Statistical Sciences.