Sigma Xi

International honor society for scientists and engineers

Sigma Xi SealSigma Xi is an international, multidisciplinary community of science and engineering professionals dedicated to research excellence, to promoting public engagement with science, and to fostering the next generation of researchers. As one of the oldest and largest scientific organizations in the world, Sigma Xi has had a distinguished history of service to science and society since its founding in 1886. Sigma Xi chapters can be found at colleges and universities, government laboratories, and industry research centers around the world. More than 200 Nobel Prize winners have been members.


Students are elected to membership on the basis of their accomplishments in research and their enthusiasm for continued scientific investigation.


Constantine Theodosiou, Ph.D.